Limaske tsa N95 hangata li entsoe ka masela a 3-6. Mochini ona oa maske o ka etsa masela a 6 a maske.

Moqolo oohle oa lesela o kenngoa ka hare ebe o kopanngoa ka rolara, lesela le menoa ka mechine, le huloa le ho phutholoha ka rolara eohle ea nose bridge bar, ebe le sehoa ka bolelele bo tsitsitseng ebe le kenngoa moeling oa mokotla, mahlakore ka bobeli a kopanngoa ho tiiso ka ultrasound, ebe ka ho tiisa lehlakore la ultrasonic, Ka ho seha thipa ea ho seha, ho bopa motsoako ka ho welding ea li-ear-loops tse letšehali le tse letona, khatiso ea mofuta ke khetho, sehlahisoa se ka rekisoa ka kotloloho kamora ho bopa ho latelang ho ikamahanya le likokoana-hloko.

Ho bala ka boiketsetso, ho ka laola katleho ea tlhahiso le tsoelo-pele ea tlhahiso, taolo ea phetoho ea makhetlo, ho ka fetola lebelo la ho sebetsa ha lisebelisoa ho latela litlhoko tsa 'nete

tekanyo e phahameng ea othomathike ea lisebelisoa, litlhoko tse tlase tsa ts'ebetso ea basebetsi, ke lihlahisoa tsa ho fepa le ho qeta feela tse ka bang teng, moralo oa modular, o bonolo ho o sebelisa le boiketlo ba tlhokomelo.