Raws li qhov kev sib piv no, nws yog qhov tsim nyog los xav txog Tuam Tshoj KN95, AS / NZ P2, Kauslim Teb 1st Class, thiab Nyiv DS FFRs sib npaug rau US NIOSH N95 thiab European FFP2 respirators, Rau kev lim cov khoom tsis yog roj-raws li xws li cov uas tshwm sim los ntawm hluav taws kub, PM2.5 pa phem, vocanic eruptions, lossis bioaerosols (piv txwv li cov kab mob). Txawm li cas los xij, ua ntej xaiv lub tshuab ua pa, cov neeg siv yuav tsum sab laj nrog lawv cov cai tiv thaiv kev ua pa hauv zos thiab cov kev cai lossis tshawb xyuas nrog lawv cov tub ceev xwm hauv zos rau kev taw qhia xaiv.
Lub tshuab ua pa N95 tshwj xeeb uas Niosh tau pom zoo tsis txaus. Rau kev tiv thaiv tus kheej, peb muaj peev xwm tsim khoom txaus ntawm KN95 los muab cov kev lis kev cai xav tau.
Yog tias muaj qhov xav tau, thov hu rau peb ncaj qha.
Lub sijhawm tshaj tawm: Plaub Hlis-17-2020
