Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...

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The respiratory protection standard includes a requirement for a medical clearance for required use of tight-fitting respirators and for some specific respirators even with voluntary use. In my ...

Dust. Fumes. Vapors. Particulate. Gases. Workers in many industries wear respirators to protect them from a wide spectrum of dangerous respiratory hazards. That said, their respirators are only as ...