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並前往https://www.epa.gov/sites/default/files/2018-11/documents/respiratory_protection-no-niosh-5081.pdf

protect your lungs from wildfire smoke and ash

N95 or P100 respirators can help protect your lungs from smoke or ash. Straps must go above and below the ears. How Do I Know if I Need to Wear a. Respirator?

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