Low-Cost Powered Air-Purifying Respirator (PAPR)

Powered Air-Purifying Respirators (PAPRs) are effective pieces of Personal Protective Equipment (PPE) that could be helpful to caregivers. PAPRs will also be in extremely short supply and are much less risky and less controversial than a DIY ventilator. You also may be able to save many more lives by building a PAPR that protects a caregiver than a mediocre ventilator for one patient.

Visit the Github Project Link
https://github.com/jcl5m1/ventilator/wiki/Build-a-Low-Cost-PAPR

Prusa Face Shield
https://www.prusaprinters.org/prints/25857-prusa-protective-face-shield-rc2

CDC Strategies for Optimizing the Supply of N95 Respirators: Crisis/Alternate Strategies
Includes when the recommend using certified PAPRs. Note, this is not a certified PAPR.
https://www.cdc.gov/coronavirus/2019-ncov/hcp/respirators-strategy/crisis-alternate-strategies.html

Rengasamy S, Eimer B, and Shaffer R. Simple respiratory protection-evaluation of the filtration performance of cloth masks and common fabric materials against 20-1000 nm size particlesexternal icon, Ann Occup Hyg. 2010;54(7):789-98.
https://www.ncbi.nlm.nih.gov/pubmed/20584862

I made a mistake in the video. This is the data behind the chart shown and is not the study referenced by the CDC.
image credit comparing usage of home materials
https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/

Cambridge study underlying the chart shown.
https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic

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hi<00:00:00.299><c> my</c><00:00:00.750><c> name</c><00:00:00.900><c> is</c><00:00:00.930><c> Johnny</c><00:00:01.260><c> Lee</c><00:00:01.439><c> and</c><00:00:01.709><c> a</c><00:00:02.070><c> few</c><00:00:02.280><c> days</c>

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hi my name is Johnny Lee and a few days

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hi my name is Johnny Lee and a few days
ago<00:00:02.669><c> I</c><00:00:02.700><c> posted</c><00:00:03.030><c> a</c><00:00:03.300><c> video</c><00:00:03.389><c> about</c><00:00:03.870><c> building</c><00:00:04.589><c> a</c>

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ago I posted a video about building a

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ago I posted a video about building a
low-cost<00:00:05.690><c> prototype</c><00:00:06.690><c> ventilator</c><00:00:07.319><c> and</c><00:00:08.250><c> I</c>

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low-cost prototype ventilator and I

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low-cost prototype ventilator and I
appreciate<00:00:08.700><c> everyone's</c><00:00:09.120><c> feedback</c><00:00:09.360><c> that</c><00:00:10.260><c> I've</c>

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appreciate everyone's feedback that I've

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appreciate everyone's feedback that I've
been<00:00:10.500><c> able</c><00:00:10.620><c> to</c><00:00:10.800><c> talk</c><00:00:10.980><c> to</c><00:00:11.010><c> who</c><00:00:11.670><c> helped</c><00:00:12.240><c> me</c><00:00:12.389><c> learn</c>

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been able to talk to who helped me learn

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been able to talk to who helped me learn
a<00:00:12.599><c> lot</c><00:00:12.809><c> more</c><00:00:12.870><c> about</c><00:00:13.080><c> what's</c><00:00:14.040><c> involved</c><00:00:14.309><c> in</c>

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a lot more about what's involved in

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a lot more about what's involved in
mechanical<00:00:15.630><c> ventilation</c><00:00:16.080><c> and</c><00:00:16.440><c> I've</c><00:00:17.160><c> updated</c>

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mechanical ventilation and I've updated

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mechanical ventilation and I've updated
the<00:00:17.730><c> github</c><00:00:17.910><c> link</c><00:00:18.270><c> with</c><00:00:18.510><c> a</c><00:00:18.539><c> lot</c><00:00:18.750><c> of</c><00:00:18.869><c> those</c>

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the github link with a lot of those

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the github link with a lot of those
learnings<00:00:19.380><c> while</c><00:00:19.770><c> the</c><00:00:19.890><c> efforts</c><00:00:20.189><c> to</c><00:00:20.340><c> make</c><00:00:20.460><c> that</c>

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learnings while the efforts to make that

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learnings while the efforts to make that
project<00:00:20.850><c> better</c><00:00:21.359><c> continue</c><00:00:22.109><c> I</c><00:00:22.500><c> wanted</c><00:00:23.010><c> to</c>

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project better continue I wanted to

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project better continue I wanted to
share<00:00:23.220><c> a</c><00:00:23.279><c> different</c><00:00:23.670><c> application</c><00:00:24.449><c> of</c><00:00:24.720><c> pretty</c>

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share a different application of pretty

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share a different application of pretty
much<00:00:25.140><c> the</c><00:00:25.289><c> exact</c><00:00:25.529><c> same</c><00:00:25.560><c> parts</c><00:00:26.099><c> that</c><00:00:26.970><c> could</c><00:00:27.119><c> be</c>

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much the exact same parts that could be

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much the exact same parts that could be
useful<00:00:27.599><c> right</c><00:00:27.750><c> away</c><00:00:28.019><c> less</c><00:00:28.980><c> risky</c><00:00:29.400><c> and</c>

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useful right away less risky and

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useful right away less risky and
potentially<00:00:30.660><c> much</c><00:00:31.080><c> much</c><00:00:31.289><c> more</c><00:00:31.500><c> valuable</c><00:00:31.830><c> than</c>

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potentially much much more valuable than

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potentially much much more valuable than
a<00:00:32.759><c> mediocre</c><00:00:33.149><c> ventilator</c><00:00:33.840><c> and</c><00:00:34.140><c> that's</c><00:00:34.469><c> to</c>

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a mediocre ventilator and that's to

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a mediocre ventilator and that's to
build<00:00:34.739><c> what's</c><00:00:35.100><c> called</c><00:00:35.190><c> a</c><00:00:35.550><c> powered</c><00:00:36.030><c> air</c>

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build what's called a powered air

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build what's called a powered air
purifying<00:00:36.930><c> respirator</c><00:00:36.960><c> or</c><00:00:37.829><c> pepper</c><00:00:38.660><c> peppers</c>

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purifying respirator or pepper peppers

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purifying respirator or pepper peppers
are<00:00:39.809><c> actually</c><00:00:40.079><c> advanced</c><00:00:40.620><c> pieces</c><00:00:40.829><c> of</c><00:00:41.190><c> personal</c>

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are actually advanced pieces of personal

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are actually advanced pieces of personal
protective<00:00:42.090><c> equipment</c><00:00:42.300><c> or</c><00:00:42.809><c> PPE</c><00:00:43.050><c> s</c><00:00:43.500><c> that's</c>

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protective equipment or PPE s that's

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protective equipment or PPE s that's
designed<00:00:44.460><c> to</c><00:00:44.550><c> be</c><00:00:44.700><c> worn</c><00:00:44.940><c> by</c><00:00:45.090><c> healthy</c>

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designed to be worn by healthy

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designed to be worn by healthy
individuals<00:00:46.260><c> such</c><00:00:46.469><c> as</c><00:00:46.500><c> yourself</c><00:00:46.980><c> or</c><00:00:47.219><c> a</c>

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individuals such as yourself or a

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individuals such as yourself or a
caregiver<00:00:47.730><c> peppers</c><00:00:48.570><c> are</c><00:00:48.930><c> actually</c>

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caregiver peppers are actually

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caregiver peppers are actually
preventative<00:00:50.280><c> pieces</c><00:00:51.090><c> of</c><00:00:51.149><c> equipment</c><00:00:51.270><c> rather</c>

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preventative pieces of equipment rather

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preventative pieces of equipment rather
than<00:00:52.110><c> reactive</c><00:00:52.590><c> ones</c><00:00:52.800><c> so</c><00:00:53.129><c> we</c><00:00:53.430><c> actually</c><00:00:53.730><c> reduce</c>

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than reactive ones so we actually reduce

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than reactive ones so we actually reduce
the<00:00:54.239><c> spread</c><00:00:54.420><c> of</c><00:00:54.539><c> the</c><00:00:54.719><c> disease</c><00:00:54.870><c> up</c><00:00:55.289><c> front</c>

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the spread of the disease up front

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the spread of the disease up front
protective<00:00:56.309><c> equipment</c><00:00:56.430><c> like</c><00:00:56.850><c> this</c><00:00:57.059><c> is</c>

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protective equipment like this is

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protective equipment like this is
already<00:00:57.690><c> in</c><00:00:57.780><c> short</c><00:00:58.020><c> supply</c><00:00:58.199><c> we</c><00:00:58.920><c> don't</c><00:00:59.070><c> have</c><00:00:59.160><c> to</c>

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already in short supply we don't have to

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already in short supply we don't have to
wait<00:00:59.430><c> until</c><00:00:59.640><c> hospitals</c><00:01:00.510><c> are</c><00:01:00.629><c> overrun</c><00:01:01.050><c> with</c>

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wait until hospitals are overrun with

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wait until hospitals are overrun with
people<00:01:01.289><c> needing</c><00:01:01.800><c> ventilators</c><00:01:02.309><c> the</c><00:01:03.090><c> CDC's</c>

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people needing ventilators the CDC's

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people needing ventilators the CDC's
website<00:01:03.809><c> on</c><00:01:04.290><c> crisis</c><00:01:04.890><c> and</c><00:01:05.189><c> alternate</c>

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website on crisis and alternate

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website on crisis and alternate
strategies<00:01:06.229><c> for</c><00:01:07.229><c> what</c><00:01:07.500><c> to</c><00:01:07.590><c> do</c><00:01:07.740><c> when</c><00:01:07.950><c> things</c>

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strategies for what to do when things

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strategies for what to do when things
like<00:01:08.460><c> in</c><00:01:08.670><c> 95</c><00:01:09.119><c> masks</c><00:01:09.869><c> run</c><00:01:10.110><c> out</c><00:01:10.729><c> reference</c><00:01:11.729><c> is</c><00:01:11.850><c> a</c>

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like in 95 masks run out reference is a

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like in 95 masks run out reference is a
study<00:01:12.180><c> that</c><00:01:12.270><c> talks</c><00:01:12.630><c> about</c><00:01:12.720><c> the</c><00:01:12.960><c> effectiveness</c>

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study that talks about the effectiveness

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study that talks about the effectiveness
of<00:01:13.740><c> materials</c><00:01:14.280><c> like</c><00:01:14.340><c> towels</c><00:01:14.760><c> t-shirts</c><00:01:15.600><c> and</c>

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of materials like towels t-shirts and

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of materials like towels t-shirts and
scarves<00:01:16.140><c> on</c><00:01:16.530><c> how</c><00:01:17.040><c> well</c><00:01:17.250><c> they</c><00:01:17.400><c> act</c><00:01:17.549><c> as</c><00:01:17.729><c> a</c>

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scarves on how well they act as a

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scarves on how well they act as a
respirator<00:01:18.290><c> ultimately</c><00:01:19.290><c> if</c><00:01:19.650><c> we're</c><00:01:20.040><c> able</c><00:01:20.189><c> to</c>

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respirator ultimately if we're able to

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respirator ultimately if we're able to
help<00:01:20.490><c> a</c><00:01:20.670><c> caregiver</c><00:01:21.240><c> heal</c><00:01:21.720><c> 10</c><00:01:22.020><c> people</c><00:01:22.380><c> that</c>

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help a caregiver heal 10 people that

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help a caregiver heal 10 people that
they<00:01:22.860><c> otherwise</c><00:01:23.009><c> couldn't</c><00:01:23.520><c> treat</c><00:01:23.820><c> you'd</c><00:01:24.420><c> have</c>

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they otherwise couldn't treat you'd have

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they otherwise couldn't treat you'd have
a<00:01:24.600><c> much</c><00:01:24.900><c> higher</c><00:01:25.080><c> level</c><00:01:25.350><c> of</c><00:01:25.530><c> impact</c><00:01:25.830><c> over</c>

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a much higher level of impact over

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a much higher level of impact over
people's<00:01:26.460><c> lives</c><00:01:26.700><c> and</c><00:01:27.030><c> building</c><00:01:27.299><c> a</c><00:01:27.450><c> mediocre</c>

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people's lives and building a mediocre

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people's lives and building a mediocre
eventually<00:01:28.799><c> there</c><00:01:28.950><c> for</c><00:01:29.189><c> just</c><00:01:29.369><c> one</c><00:01:29.490><c> person</c>

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eventually there for just one person

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eventually there for just one person
these<00:01:30.540><c> are</c><00:01:30.600><c> the</c><00:01:30.720><c> components</c><00:01:31.290><c> I'm</c><00:01:31.439><c> using</c><00:01:31.650><c> for</c>

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these are the components I'm using for

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these are the components I'm using for
the<00:01:32.189><c> DIY</c><00:01:32.460><c> pepper</c><00:01:32.850><c> this</c><00:01:33.600><c> is</c><00:01:33.750><c> a</c><00:01:33.780><c> blower</c><00:01:34.079><c> from</c><00:01:34.350><c> the</c>

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the DIY pepper this is a blower from the

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the DIY pepper this is a blower from the
ventilator<00:01:34.890><c> project</c><00:01:35.369><c> this</c><00:01:36.060><c> is</c><00:01:36.240><c> an</c><00:01:36.420><c> air</c><00:01:36.570><c> filter</c>

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ventilator project this is an air filter

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ventilator project this is an air filter
a<00:01:37.110><c> battery</c><00:01:37.829><c> for</c><00:01:38.189><c> the</c><00:01:38.250><c> blower</c><00:01:38.490><c> a</c><00:01:39.270><c> full</c><00:01:39.780><c> face</c>

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a battery for the blower a full face

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a battery for the blower a full face
mask<00:01:41.130><c> from</c><00:01:41.490><c> a</c><00:01:41.640><c> CPAP</c><00:01:42.030><c> with</c><00:01:42.420><c> its</c><00:01:42.659><c> breathing</c><00:01:43.020><c> tube</c>

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mask from a CPAP with its breathing tube

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mask from a CPAP with its breathing tube
pair<00:01:44.250><c> of</c><00:01:44.340><c> swimming</c><00:01:44.640><c> goggles</c><00:01:44.729><c> for</c><00:01:45.210><c> eye</c>

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pair of swimming goggles for eye

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pair of swimming goggles for eye
protection<00:01:45.439><c> a</c><00:01:46.439><c> face</c><00:01:47.159><c> shield</c><00:01:47.430><c> and</c><00:01:47.700><c> a</c><00:01:48.390><c> backpack</c>

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protection a face shield and a backpack

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protection a face shield and a backpack
to<00:01:49.259><c> carry</c><00:01:49.710><c> everything</c><00:01:50.040><c> so</c><00:01:50.399><c> I</c><00:01:50.430><c> can</c><00:01:50.640><c> have</c><00:01:50.790><c> my</c>

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to carry everything so I can have my

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to carry everything so I can have my
hands-free<00:01:51.299><c> the</c><00:01:52.020><c> blower</c><00:01:52.229><c> as</c><00:01:52.590><c> I</c><00:01:52.680><c> mentioned</c><00:01:53.009><c> in</c>

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hands-free the blower as I mentioned in

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hands-free the blower as I mentioned in
the<00:01:53.159><c> previous</c><00:01:53.340><c> video</c><00:01:53.610><c> is</c><00:01:54.090><c> just</c><00:01:54.119><c> from</c><00:01:54.630><c> inside</c>

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the previous video is just from inside

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the previous video is just from inside
an<00:01:55.229><c> old</c><00:01:55.350><c> CPAP</c><00:01:55.799><c> that</c><00:01:56.040><c> ahead</c><00:01:56.340><c> and</c><00:01:56.549><c> seep</c><00:01:57.149><c> apps</c><00:01:57.329><c> are</c>

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an old CPAP that ahead and seep apps are

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an old CPAP that ahead and seep apps are
pretty<00:01:58.140><c> common</c><00:01:58.350><c> devices</c><00:01:58.680><c> used</c><00:01:59.219><c> by</c><00:01:59.460><c> people</c><00:01:59.520><c> to</c>

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pretty common devices used by people to

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pretty common devices used by people to
treat<00:02:00.180><c> sleep</c><00:02:00.360><c> apnea</c><00:02:00.570><c> and</c><00:02:01.290><c> it</c><00:02:01.500><c> turns</c><00:02:01.710><c> out</c><00:02:01.829><c> the</c>

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treat sleep apnea and it turns out the

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treat sleep apnea and it turns out the
blowers<00:02:02.579><c> are</c><00:02:02.759><c> simply</c><00:02:03.060><c> just</c><00:02:03.270><c> brushless</c><00:02:03.570><c> DC</c>

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blowers are simply just brushless DC

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blowers are simply just brushless DC
motors<00:02:04.409><c> that</c><00:02:04.860><c> can</c><00:02:05.340><c> be</c><00:02:05.549><c> easily</c><00:02:05.820><c> driven</c><00:02:06.240><c> by</c><00:02:06.600><c> in</c>

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motors that can be easily driven by in

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motors that can be easily driven by in
our<00:02:07.110><c> doing</c>

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our doing

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our doing
Minnie<00:02:07.619><c> and</c><00:02:07.920><c> an</c><00:02:08.670><c> electronic</c><00:02:09.149><c> speed</c>

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Minnie and an electronic speed

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Minnie and an electronic speed
controller<00:02:09.750><c> commonly</c><00:02:10.679><c> used</c><00:02:10.890><c> in</c><00:02:11.160><c> quadrotors</c>

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controller commonly used in quadrotors

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controller commonly used in quadrotors
and<00:02:12.180><c> RC</c><00:02:12.480><c> cars</c><00:02:13.130><c> this</c><00:02:14.130><c> white</c><00:02:14.340><c> part</c><00:02:14.640><c> is</c><00:02:14.850><c> a</c><00:02:14.910><c> 3d</c>

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and RC cars this white part is a 3d

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and RC cars this white part is a 3d
printed<00:02:15.780><c> air</c><00:02:16.110><c> filter</c><00:02:16.500><c> adapter</c><00:02:16.819><c> and</c><00:02:17.819><c> the</c><00:02:18.000><c> way</c><00:02:18.090><c> I</c>

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printed air filter adapter and the way I

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printed air filter adapter and the way I
attached<00:02:18.630><c> this</c><00:02:18.959><c> adapter</c><00:02:19.620><c> to</c><00:02:19.920><c> the</c><00:02:20.400><c> blower</c>

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attached this adapter to the blower

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attached this adapter to the blower
motor<00:02:21.600><c> and</c><00:02:21.720><c> wrapped</c><00:02:22.080><c> up</c><00:02:22.230><c> all</c><00:02:22.350><c> the</c><00:02:22.440><c> electronics</c>

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motor and wrapped up all the electronics

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motor and wrapped up all the electronics
is<00:02:23.069><c> actually</c><00:02:23.310><c> just</c><00:02:23.459><c> used</c><00:02:23.670><c> a</c><00:02:23.850><c> whole</c><00:02:24.239><c> bunch</c><00:02:24.480><c> of</c>

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is actually just used a whole bunch of

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is actually just used a whole bunch of
electrical<00:02:24.900><c> tape</c><00:02:25.020><c> I</c><00:02:25.350><c> mean</c><00:02:25.530><c> one</c><00:02:25.800><c> continuous</c>

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electrical tape I mean one continuous

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electrical tape I mean one continuous
strip<00:02:26.730><c> I</c><00:02:26.940><c> wrapped</c><00:02:27.420><c> it</c><00:02:27.600><c> kind</c><00:02:27.930><c> of</c><00:02:27.989><c> like</c><00:02:28.170><c> a</c><00:02:28.200><c> ball</c>

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strip I wrapped it kind of like a ball

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strip I wrapped it kind of like a ball
of<00:02:28.470><c> twine</c><00:02:28.620><c> and</c><00:02:29.520><c> that's</c><00:02:30.180><c> to</c><00:02:30.360><c> try</c><00:02:30.540><c> to</c><00:02:30.660><c> make</c><00:02:30.930><c> a</c>

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of twine and that's to try to make a

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of twine and that's to try to make a
airtight<00:02:31.770><c> seal</c><00:02:32.100><c> so</c><00:02:32.459><c> there's</c><00:02:32.640><c> no</c><00:02:32.850><c> external</c><00:02:33.540><c> air</c>

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airtight seal so there's no external air

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airtight seal so there's no external air
that<00:02:34.170><c> gets</c><00:02:34.350><c> in</c><00:02:34.590><c> to</c><00:02:34.920><c> the</c><00:02:35.040><c> blower</c><00:02:35.280><c> that</c><00:02:35.610><c> doesn't</c>

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that gets in to the blower that doesn't

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that gets in to the blower that doesn't
come<00:02:36.120><c> through</c><00:02:36.300><c> the</c><00:02:36.420><c> air</c><00:02:36.540><c> filter</c><00:02:36.800><c> it's</c><00:02:37.800><c> not</c>

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come through the air filter it's not

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come through the air filter it's not
perfect<00:02:38.340><c> but</c><00:02:38.550><c> it's</c><00:02:38.730><c> actually</c><00:02:39.060><c> a</c><00:02:39.090><c> pretty</c><00:02:39.780><c> good</c>

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perfect but it's actually a pretty good

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perfect but it's actually a pretty good
airtight<00:02:40.739><c> seal</c><00:02:41.010><c> and</c><00:02:41.700><c> seems</c><00:02:42.690><c> pretty</c>

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airtight seal and seems pretty

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airtight seal and seems pretty
functional<00:02:43.400><c> this</c><00:02:44.400><c> particular</c><00:02:44.730><c> filter</c><00:02:45.300><c> is</c>

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functional this particular filter is

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functional this particular filter is
what's<00:02:46.350><c> called</c><00:02:46.560><c> a</c><00:02:46.700><c> CBRN</c><00:02:47.700><c> rated</c><00:02:48.239><c> air</c><00:02:48.480><c> filter</c>

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what's called a CBRN rated air filter

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what's called a CBRN rated air filter
and<00:02:49.080><c> CBRN</c><00:02:49.680><c> stands</c><00:02:49.920><c> for</c><00:02:50.160><c> chemical</c><00:02:50.730><c> biological</c>

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and CBRN stands for chemical biological

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and CBRN stands for chemical biological
radiological<00:02:54.140><c> filtration</c><00:02:55.140><c> I'm</c><00:02:55.410><c> really</c><00:02:55.680><c> happy</c>

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radiological filtration I'm really happy

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radiological filtration I'm really happy
we<00:02:56.160><c> don't</c><00:02:56.250><c> have</c><00:02:56.489><c> to</c><00:02:56.640><c> use</c><00:02:56.819><c> the</c><00:02:57.090><c> chemical</c>

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we don't have to use the chemical

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we don't have to use the chemical
radioactive<00:02:58.260><c> and</c><00:02:58.560><c> nuclear</c><00:02:58.700><c> capabilities</c><00:02:59.700><c> of</c>

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radioactive and nuclear capabilities of

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radioactive and nuclear capabilities of
this<00:03:00.000><c> filter</c><00:03:00.989><c> but</c><00:03:01.980><c> the</c><00:03:02.100><c> biological</c><00:03:02.250><c> rating</c>

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this filter but the biological rating

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this filter but the biological rating
does<00:03:03.150><c> help</c><00:03:03.480><c> with</c><00:03:03.630><c> airborne</c><00:03:04.200><c> virus</c><00:03:05.010><c> filtration</c>

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does help with airborne virus filtration

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does help with airborne virus filtration
I<00:03:05.760><c> also</c><00:03:06.120><c> have</c><00:03:06.450><c> this</c><00:03:06.630><c> adapter</c><00:03:07.080><c> which</c><00:03:07.380><c> is</c><00:03:07.410><c> just</c>

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I also have this adapter which is just

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I also have this adapter which is just
for<00:03:08.069><c> a</c><00:03:08.100><c> standard</c><00:03:08.850><c> 3m</c><00:03:09.420><c> in</c><00:03:10.230><c> 95</c><00:03:10.739><c> or</c><00:03:11.040><c> P</c><00:03:11.220><c> 100</c><00:03:11.730><c> face</c>

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for a standard 3m in 95 or P 100 face

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for a standard 3m in 95 or P 100 face
mask<00:03:12.239><c> filter</c><00:03:12.840><c> cartridge</c><00:03:13.260><c> and</c><00:03:14.070><c> this</c><00:03:14.280><c> can</c><00:03:14.459><c> also</c>

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mask filter cartridge and this can also

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mask filter cartridge and this can also
be<00:03:14.850><c> attached</c><00:03:15.120><c> to</c><00:03:15.390><c> the</c><00:03:15.540><c> blower</c><00:03:15.750><c> I</c><00:03:15.989><c> have</c><00:03:16.290><c> a</c><00:03:16.320><c> lot</c>

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be attached to the blower I have a lot

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be attached to the blower I have a lot
more<00:03:16.709><c> detail</c><00:03:17.250><c> on</c><00:03:17.610><c> the</c><00:03:18.030><c> github</c><00:03:18.360><c> link</c><00:03:18.989><c> in</c><00:03:19.500><c> the</c>

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more detail on the github link in the

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more detail on the github link in the
description<00:03:20.070><c> on</c><00:03:20.280><c> how</c><00:03:20.340><c> this</c><00:03:20.940><c> motor</c><00:03:21.299><c> was</c><00:03:21.510><c> put</c>

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description on how this motor was put

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description on how this motor was put
together<00:03:21.840><c> as</c><00:03:22.709><c> well</c><00:03:22.920><c> as</c><00:03:22.950><c> the</c><00:03:23.190><c> 3d</c><00:03:23.459><c> models</c><00:03:23.820><c> for</c>

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together as well as the 3d models for

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together as well as the 3d models for
both<00:03:24.390><c> of</c><00:03:24.630><c> these</c><00:03:24.750><c> filter</c><00:03:25.470><c> adapters</c><00:03:25.859><c> to</c><00:03:26.100><c> put</c><00:03:26.820><c> it</c>

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both of these filter adapters to put it

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both of these filter adapters to put it
together<00:03:27.030><c> I</c><00:03:27.390><c> just</c><00:03:27.480><c> screw</c><00:03:28.019><c> in</c><00:03:28.140><c> the</c><00:03:28.380><c> air</c><00:03:28.530><c> filter</c>

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together I just screw in the air filter

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together I just screw in the air filter
plug<00:03:29.340><c> in</c><00:03:29.549><c> the</c><00:03:30.480><c> breathing</c><00:03:30.660><c> hose</c><00:03:30.989><c> plug</c><00:03:31.590><c> in</c><00:03:31.739><c> the</c>

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plug in the breathing hose plug in the

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plug in the breathing hose plug in the
battery<00:03:32.070><c> turn</c><00:03:32.579><c> it</c><00:03:32.700><c> on</c><00:03:33.500><c> just</c><00:03:34.500><c> as</c><00:03:34.620><c> before</c><00:03:34.769><c> it</c>

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battery turn it on just as before it

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battery turn it on just as before it
goes<00:03:35.340><c> through</c><00:03:35.640><c> a</c><00:03:35.970><c> basic</c><00:03:36.450><c> boot</c><00:03:36.870><c> up</c><00:03:36.989><c> sequence</c>

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goes through a basic boot up sequence

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goes through a basic boot up sequence
and<00:03:38.090><c> begin</c><00:03:39.090><c> pumping</c><00:03:39.299><c> at</c><00:03:39.720><c> a</c><00:03:40.019><c> constant</c><00:03:40.380><c> pressure</c>

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and begin pumping at a constant pressure

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and begin pumping at a constant pressure
I<00:03:41.570><c> can</c><00:03:42.570><c> use</c><00:03:42.810><c> this</c><00:03:42.989><c> toggle</c><00:03:43.980><c> switch</c><00:03:44.100><c> to</c><00:03:44.810><c> increase</c>

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I can use this toggle switch to increase

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I can use this toggle switch to increase
the<00:03:45.959><c> pressure</c><00:03:46.170><c> or</c><00:03:46.440><c> increase</c><00:03:46.739><c> the</c><00:03:46.920><c> flow</c><00:03:47.540><c> to</c>

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the pressure or increase the flow to

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the pressure or increase the flow to
whatever<00:03:49.109><c> comfort</c><00:03:49.530><c> level</c><00:03:49.769><c> is</c><00:03:49.890><c> good</c><00:03:50.100><c> for</c>

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whatever comfort level is good for

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whatever comfort level is good for
breathing<00:03:50.730><c> the</c><00:03:51.510><c> filter</c><00:03:52.019><c> is</c><00:03:52.079><c> going</c><00:03:52.320><c> to</c><00:03:52.440><c> drag</c><00:03:52.859><c> on</c>

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breathing the filter is going to drag on

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breathing the filter is going to drag on
the<00:03:53.400><c> actual</c><00:03:53.940><c> flow</c><00:03:54.209><c> so</c><00:03:54.540><c> we</c><00:03:55.019><c> have</c><00:03:55.109><c> to</c><00:03:55.230><c> run</c><00:03:55.410><c> it</c><00:03:55.530><c> at</c>

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the actual flow so we have to run it at

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the actual flow so we have to run it at
a<00:03:55.709><c> higher</c><00:03:55.890><c> rate</c><00:03:56.160><c> than</c><00:03:56.220><c> just</c><00:03:56.970><c> the</c><00:03:57.150><c> lowest</c>

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a higher rate than just the lowest

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a higher rate than just the lowest
setting<00:03:57.690><c> once</c><00:03:58.049><c> this</c><00:03:58.230><c> is</c><00:03:58.440><c> all</c><00:03:58.620><c> in</c><00:03:59.010><c> a</c><00:03:59.340><c> good</c>

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setting once this is all in a good

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setting once this is all in a good
States<00:03:59.790><c> you</c><00:04:00.180><c> can</c><00:04:00.359><c> just</c><00:04:00.600><c> put</c><00:04:00.750><c> it</c><00:04:00.870><c> into</c><00:04:01.079><c> a</c>

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States you can just put it into a

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States you can just put it into a
backpack<00:04:01.350><c> for</c><00:04:01.890><c> easy</c><00:04:02.340><c> carrying</c><00:04:02.780><c> first</c><00:04:03.780><c> I</c><00:04:03.930><c> put</c>

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backpack for easy carrying first I put

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backpack for easy carrying first I put
on<00:04:04.230><c> the</c><00:04:04.410><c> cpap</c><00:04:04.590><c> mask</c><00:04:04.980><c> which</c><00:04:05.280><c> covers</c><00:04:05.640><c> my</c><00:04:05.819><c> mouth</c>

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on the cpap mask which covers my mouth

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on the cpap mask which covers my mouth
and<00:04:06.299><c> nose</c><00:04:06.540><c> then</c><00:04:07.200><c> I</c><00:04:07.319><c> put</c><00:04:07.530><c> on</c><00:04:07.560><c> a</c><00:04:07.980><c> pair</c><00:04:08.310><c> of</c>

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and nose then I put on a pair of

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and nose then I put on a pair of
prescription-strength<00:04:09.260><c> swimming</c><00:04:10.260><c> goggles</c>

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prescription-strength swimming goggles

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prescription-strength swimming goggles
so<00:04:10.680><c> I</c><00:04:10.739><c> can</c><00:04:10.920><c> see</c><00:04:11.130><c> without</c><00:04:11.459><c> my</c><00:04:11.640><c> glasses</c><00:04:11.790><c> and</c><00:04:12.390><c> then</c>

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so I can see without my glasses and then

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so I can see without my glasses and then
finally<00:04:13.290><c> a</c><00:04:13.319><c> face</c><00:04:13.680><c> shield</c><00:04:13.920><c> to</c><00:04:14.250><c> protect</c><00:04:14.459><c> from</c>

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finally a face shield to protect from

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finally a face shield to protect from
liquids<00:04:15.959><c> that</c><00:04:16.139><c> might</c><00:04:16.290><c> be</c><00:04:16.410><c> splashing</c><00:04:16.829><c> up</c>

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liquids that might be splashing up

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liquids that might be splashing up
if<00:04:18.090><c> you</c><00:04:18.269><c> don't</c><00:04:18.449><c> happen</c><00:04:18.750><c> to</c><00:04:18.840><c> have</c><00:04:18.900><c> a</c><00:04:19.019><c> face</c>

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if you don't happen to have a face

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if you don't happen to have a face
shield<00:04:19.769><c> there's</c><00:04:19.979><c> 3d</c><00:04:20.400><c> printable</c><00:04:20.759><c> models</c>

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shield there's 3d printable models

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shield there's 3d printable models
online<00:04:21.509><c> that</c><00:04:21.989><c> you</c><00:04:22.079><c> can</c><00:04:22.229><c> download</c><00:04:22.380><c> there's</c><00:04:22.949><c> a</c>

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online that you can download there's a

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online that you can download there's a
small<00:04:23.250><c> community</c><00:04:23.490><c> of</c><00:04:23.639><c> people</c><00:04:23.699><c> that</c><00:04:23.910><c> are</c>

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small community of people that are

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small community of people that are
starting<00:04:24.360><c> to</c><00:04:24.690><c> print</c><00:04:25.320><c> these</c><00:04:25.470><c> out</c><00:04:25.680><c> in</c><00:04:25.949><c> case</c>

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starting to print these out in case

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starting to print these out in case
they're<00:04:26.370><c> needed</c><00:04:26.520><c> in</c><00:04:26.789><c> the</c><00:04:26.850><c> emergency</c><00:04:27.530><c> once</c><00:04:28.530><c> you</c>

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they're needed in the emergency once you

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they're needed in the emergency once you
put<00:04:28.770><c> it</c><00:04:28.860><c> all</c><00:04:28.979><c> together</c><00:04:29.100><c> with</c><00:04:29.669><c> the</c><00:04:29.940><c> backpack</c>

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put it all together with the backpack

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put it all together with the backpack
and<00:04:30.630><c> the</c><00:04:31.080><c> face</c><00:04:31.320><c> protection</c><00:04:31.680><c> you</c><00:04:32.130><c> have</c><00:04:32.160><c> a</c><00:04:32.370><c> fully</c>

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and the face protection you have a fully

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and the face protection you have a fully
functional<00:04:33.330><c> powered</c><00:04:34.020><c> air</c><00:04:34.289><c> purifying</c>

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functional powered air purifying

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functional powered air purifying
respirator<00:04:35.210><c> as</c><00:04:36.210><c> I</c><00:04:36.389><c> mentioned</c><00:04:36.720><c> early</c><00:04:37.020><c> on</c><00:04:37.050><c> there</c>

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respirator as I mentioned early on there

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respirator as I mentioned early on there
video<00:04:37.410><c> this</c><00:04:37.680><c> is</c><00:04:37.919><c> a</c><00:04:37.949><c> much</c><00:04:38.400><c> simpler</c><00:04:38.850><c> and</c><00:04:39.180><c> much</c>

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video this is a much simpler and much

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video this is a much simpler and much
less<00:04:39.660><c> risky</c><00:04:40.020><c> project</c><00:04:40.470><c> than</c><00:04:40.650><c> trying</c><00:04:40.889><c> to</c><00:04:40.979><c> build</c>

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less risky project than trying to build

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less risky project than trying to build
a<00:04:41.220><c> ventilator</c><00:04:41.610><c> which</c><00:04:42.389><c> is</c><00:04:42.539><c> a</c><00:04:42.570><c> complicated</c>

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a ventilator which is a complicated

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a ventilator which is a complicated
project<00:04:43.320><c> and</c><00:04:44.280><c> it's</c><00:04:44.430><c> useful</c><00:04:44.550><c> today</c><00:04:45.080><c> you</c><00:04:46.080><c> can</c>

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project and it's useful today you can

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project and it's useful today you can
use<00:04:46.500><c> it</c><00:04:46.650><c> to</c><00:04:46.770><c> protect</c><00:04:46.979><c> yourself</c><00:04:47.460><c> from</c><00:04:47.639><c> getting</c>

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use it to protect yourself from getting

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use it to protect yourself from getting
sick<00:04:48.479><c> and</c><00:04:48.919><c> potentially</c><00:04:49.919><c> even</c><00:04:50.039><c> a</c><00:04:50.460><c> hapa</c>

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sick and potentially even a hapa

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sick and potentially even a hapa
caregiver<00:04:51.600><c> in</c><00:04:51.840><c> case</c><00:04:52.050><c> they</c><00:04:52.380><c> run</c><00:04:52.650><c> out</c><00:04:52.800><c> of</c><00:04:52.919><c> proper</c>

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caregiver in case they run out of proper

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caregiver in case they run out of proper
materials<00:04:53.729><c> all</c><00:04:54.600><c> the</c><00:04:54.660><c> information</c><00:04:55.199><c> you</c><00:04:55.350><c> need</c>

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materials all the information you need

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materials all the information you need
on<00:04:55.560><c> how</c><00:04:56.010><c> to</c><00:04:56.070><c> put</c><00:04:56.310><c> this</c><00:04:56.430><c> together</c><00:04:56.550><c> is</c><00:04:57.060><c> in</c><00:04:57.300><c> the</c>

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on how to put this together is in the

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on how to put this together is in the
github<00:04:57.690><c> link</c><00:04:58.229><c> in</c><00:04:58.410><c> the</c><00:04:58.500><c> description</c><00:04:58.949><c> and</c><00:04:59.100><c> I</c>

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github link in the description and I

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github link in the description and I
hope<00:04:59.430><c> you</c><00:04:59.550><c> enjoyed</c><00:04:59.820><c> watching</c><00:04:59.970><c> this</c><00:05:00.210><c> video</c>

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hope you enjoyed watching this video

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hope you enjoyed watching this video
stay<00:05:01.229><c> healthy</c><00:05:01.740><c> and</c><00:05:02.010><c> safe</c><00:05:02.250><c> Thanks</c><00:05:03.180><c> bye</c>