Kubva pakuenzanisa uku, zvine musoro kufunga China KN95, AS/NZ P2, Korea 1st Kirasi, uye Japan DS FFRs yakaenzana neUS NIOSH N95 neEuropean FFP2 mafemureta, Kusefa zvisina-oiri-based particles seaya anobva ku. moto wesango, PM2.5 kusvibiswa kwemhepo, kuputika kwemazwi, kana mabioaerosols(eg mavhairasi).Zvisinei, vasati vasarudza chokufuridzira , vashandisi vanofanira kuonana nemirau yavo yekudzivirira kufema kwekufema uye zvavanoda kana kutarisa nevakuru vehutano hweveruzhinji munharaunda yavo kuti vawane nhungamiro yekusarudza.
Iyo N95 chaiyo yekufemerera Niosh yakatenderwa iri mupfupi.Kuti chengetedzo yemunhu, tine yakakwana yekugadzira yeKN95 yekupa iyo tsika inodiwa.
Kana pane zvinodiwa, tapota taura nesu zvakananga.
Nguva yekutumira: Kubvumbi-17-2020