Ngokusekelwe kulokhu kuqhathanisa, kunengqondo ukucabangela ama-China KN95, AS/NZ P2, Korea 1st Class, kanye nama-Japan DS FFR afana nama-US NIOSH N95 kanye nama-European FFP2 respirators, Ukuze kuhlungwe izinhlayiya ezingezona ezisekelwe ku-oyili njengalezo ezivela emlilweni wasendle, ukungcola komoya we-PM2.5, ukuqhuma kwamagama, noma ama-bioaerosols (isib. amagciwane). Kodwa-ke, ngaphambi kokukhetha umshini wokuphefumula, abasebenzisi kufanele babheke imithetho yabo yokuvikela ukuphefumula yendawo kanye nezidingo noma bahlole neziphathimandla zezempilo zomphakathi zendawo ukuze bathole isiqondiso sokukhetha.
I-N95 ekhethekile evunyelwe yi-Niosh ayitholakali kalula. Ukuze sivikeleke, sinamandla okukhiqiza anele e-KN95 ukuze sikwazi ukuhlinzeka ngezinsizakalo zamasiko ezidingekayo.
Uma kukhona izidingo, sicela usithinte ngqo.
Isikhathi sokuthunyelwe: Ephreli-17-2020
