Dufatiye kuri uku kugereranya, birakwiriye gutekereza ko Ubushinwa KN95, AS / NZ P2, Koreya yo mu cyiciro cya mbere, n’Ubuyapani DS FFRs bihwanye n’ubuhumekero bwo muri Amerika NIOSH N95 hamwe n’ubuhumekero bwa FFP2 bw’Uburayi, Kubyungurura ibice bidashingiye ku mavuta nkibyavuyemo inkongi y'umuriro, PM2.5 ihumanya ikirere, guturika kw'ijwi, cyangwa bioaerosol (urugero nka virusi) .Nyamara, mbere yo gutoranya ubuhumekero, abayikoresha bagomba kugisha inama amabwiriza yo kurinda ubuhumekero ndetse nibisabwa cyangwa bakagenzura mubuyobozi bw’ubuzima rusange bw’ibanze kugira ngo babayobore.
Ubuhumekero bwa N95 bwihariye Niosh bwemejwe burahari. Kubirinda umuntu ku giti cye, dufite ubushobozi buhagije bwa KN95 bwo gutanga gasutamo ikenewe.
Niba hari ibisabwa, nyamuneka twandikire.
Igihe cyo kohereza: Apr-17-2020
