Cov khoom

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KN95 Respirator nrog Ua pa Valve

KN95 Respirator nrog Ua pa Valve

KN95 Respirator nrog ua pa Valve belongs rau N95 qhov ncauj qhov ntswg yog cov uas lim yam tsawg 95 feem pua ​​ntawm cov me me hais nyob rau hauv cov huab cua. N95 yog tus qauv tsim los ntawm National Institute for Occupational Safety and Health, lossis NIOSH. Qhov ncauj qhov ntswg uas dhau tus qauv no yog hu ua N95 qhov ncauj qhov ntswg.

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Peb siv cov ncuav qab zib los muab koj cov kev tshawb fawb zoo dua, txheeb xyuas qhov chaw khiav tsheb thiab kho cov ntsiab lus tus kheej. Los ntawm kev siv lub xaib no, koj pom zoo rau peb siv cov ncuav qab zib. Txoj Cai Tswjfwm Ntiag Tug