Kutengera kuyerekeza uku, ndizomveka kulingalira China KN95, AS/NZ P2, Korea 1st Class, ndi Japan DS FFRs zofanana ndi US NIOSH N95 ndi European FFP2 respirators, Posefa tinthu tating'onoting'ono tokhala ndi mafuta monga zomwe zimachokera moto wolusa, PM2.5 kuwonongeka kwa mpweya, kuphulika kwa mawu, kapena bioaerosols (mwachitsanzo mavairasi).Komabe, asanasankhe chopumira , ogwiritsa ntchito ayenera kuonana ndi malamulo ndi zofunikira za chitetezo cha kupuma kwapafupipafupi kapena kukaonana ndi akuluakulu a zaumoyo kuti awathandize kusankha.
Makina opumira a N95 omwe Niosh omwe adavomerezedwa ndi ochepa. Pachitetezo chaumwini, tili ndi mphamvu zokwanira zopangira KN95 kuti tipereke miyambo yomwe ikufunika.
Ngati pali zofunika, chonde titumizireni mwachindunji.
Nthawi yotumiza: Apr-17-2020