Re itšetleha ka matla a tekheniki a tepelletseng mme re beha mahlale a morao-rao ho fihlela tlhoko ea mask a Sterilization, 3 ply burgical maske , Maske oa Air N95 , li-caps tsa ho buleha ,N95 Surgical Recirator Mask . Re amohela ka mofuthu lapeng la hau le mose ho maoatle hore a ikopanye le rona le ho hlophisa tšebelisano 'moho le rona,' me re tla u sebeletsa. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Americy, filosofi ea New Delhi, e nang le thepa ea khale.