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 vezvehutano vemunharaunda yavo kuti vawane nhungamiro yekusarudza.
Iyo N95 chaiyo yekufemerera Niosh yakatenderwa iri mupfupi.Kudzivirirwa kwemunhu, tine yakakwana yekugadzira kugona kweKN95 kupa tsika dzinodiwa.
Kana pane zvinodiwa, tapota taura nesu zvakananga.
Nguva yekutumira: Kubvumbi-17-2020
