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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Archived Testing Oxygen Levels Under A Mask w an OSHA Air Quality Monitor (youtube.com)
submitted ago by tom47
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[–] RealBiggly ago
If your employer is recommending a basic surgical mask to protect YOU from a virus then they are misinformed. For that you need an N95 or better.
(fun fact, an N95 blocks tiny particles and larger particles but only 95% of the medium particles, and does so by magnetism basically)