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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[–] derram 0 points 3 points 3 points (+3|-0) ago
https://www.invidio.us/watch?v=sMrOxPTpbC4&feature=share&fbclid=IwAR1oEqqzUsO7k5FMmAzqdm7FYQBdTUW6MjvWcoI3pWokEWkELF_URuX1tMc :
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