Chao Mei ke moetsi ea tummeng lefapheng la ts'ireletso ea phefumoloho, ea sebetsanang le tlhahiso ea limaske tsa boleng bo holimo tsa N95. Ka boitlamo ba ho fana ka tšireletso e sebetsang khahlanong le likaroloana tse tsamaeang le moea, Chao Mei e iketsetse lebitso le tšepahalang indastering.
Ho Chao Mei, re fana ka lihlahisoa tse ngata tse fapaneng tsa ts'ireletso ea phefumoloho ho fihlela litlhoko tse fapaneng tsa bareki ba rona. Li-mask tsa rona tsa N95 li etselitsoe ho sefa 95% ea likaroloana tse tsamaisoang ke moea, ho li etsa tse loketseng ho sebelisoa libakeng tsa tlhokomelo ea bophelo bo botle, tikolohong ea indasteri le mesebetsing ea letsatsi le letsatsi. Li-mask tsa rona li lekoa ka matla ho netefatsa hore li fihlella maemo a holimo ka ho fetisisa a boleng le ts'ebetso.
Ntle le limaske tsa rona tsa N95, Chao Mei e boetse e fana ka lihlahisoa tse ling tse fapaneng tsa ts'ireletso ea phefumoloho, ho kenyeletsoa limaske tsa ho buoa, li-respirators tsa KN95 le limaske tsa sefahleho tse lahloang. Lihlahisoa tsa rona li etselitsoe ho fana ka tšireletso e phutholohileng le e ka tšeptjoang, e lumellang bareki ba rona ho hema habonolo ho tseba hore ba sirelelitsoe hantle.
E le moetsi oa pele oa mask naheng ea China ho sebelisa lisebelisoa tsa sterilization ea ethylene oxide, Chao Mei e ikemiselitse ho netefatsa polokeho le katleho ea lihlahisoa tsa rona. Boitlamo ba rona ho boqapi le boleng bo re entse baeta-pele ba indasteri, ba tšeptjoang ke bareki lefatšeng ka bophara bakeng sa litlhoko tsa bona tsa tšireletso ea phefumoloho.
Ha ho tluoa tabeng ea ho itšireletsa le baratuoa ba hau ho tsoa likarolong tse tsamaisoang ke moea, tšepa Chao Mei bakeng sa tšireletso e tšepahalang le e sebetsang ea phefumoloho. Ka mefuta ea rona ea limaske tsa N95 le lihlahisoa tse ling, o ka phefumoloha habonolo ka ho tseba hore o hlometse hantle hore o lule o bolokehile ebile o phetse hantle tikolohong efe kapa efe.
