Archived Testing Oxygen Levels Under A Mask w an OSHA Air Quality Monitor (youtube.com)
submitted ago by tom47
Posted by: tom47
Posting time: 6 months ago on
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Archived on: 9/30/2020 10:00:00 AM
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86 upvotes, 4 downvotes (96% upvoted it)
Archived Testing Oxygen Levels Under A Mask w an OSHA Air Quality Monitor (youtube.com)
submitted ago by tom47
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[–] observation1 ago
Speak english
[–] 9NaughtZ 0 points 1 point 1 point (+1|-0) ago
I speak American.
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