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A comment on The science of mask-wearing hasn’t changed, so why have our expectations?. Parent comment

Re:The science of mask-wearing hasn’t changed, so why have o... by nickthemagicman on Saturday July 04, 2020 @10:48PM (#23736267)
No they can't.
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Re:The science of mask-wearing hasn’t changed, so why have o... by katmannthree on Sunday July 05, 2020 @12:52AM (#23736674)
Do you mean that n95 masks can't work fine? If so, I'm genuinely curious as to how they failed for you.

I've used them while working on-site at a coal mine, as long as you're using a genuine high quality n95 mask and have it properly fitted you can absolutely wear one for 4+ hours without the inside getting contaminated. It's certainly not fun but I've done it many times without issues.

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