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General Board / Re: General Discussion
« Last post by Charlie on 13 January 2026, 13:32:09 »… are you not the expert of this sort of thing?With the memory of a dried trout, I'm pretty sure I'd misremember details--
No.Wait, but isn't smoke a gas?
N95 respirators filter out airborne particles like dusts, mists, aerosol, viruses, bacteria, but do not protect against gases or vapors like carbon monoxide, formaldehyde, or tear gas.

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