ka lebaka la tšehetso e ntle haholo, mefuta e fapaneng ea thepa ea boleng bo holimo, litšenyehelo tse mabifi le ho fana ka thepa e ntle, re rata lebitso le letle har'a bareki ba rona. Re k'hamphani e mahlahahlaha e nang le 'maraka o pharaletseng oa Carbon Monoxide Mask, Maske a Spere argred , Phefumoloho ea ho phomola , Strip Cap ,Koahela maske . Bareki pele! Eng kapa eng eo u e hlokang, re lokela ho etsa sohle se matleng a rona ho u thusa. Re amohela ka mofuthu bareki ba tsoang lefats'eng lohle ho sebelisana le rona bakeng sa nts'etsopele ea bobeli. Sehlahisoa se tla fana ka lefats'e ka bophara, joalo ka Europe, America, Australia, Los Angeles, Ghana, Nairobi, Finland .Re rometse lihlahisoa tsa rona lefats'eng lohle, haholo-holo USA le linaha tsa Europe. Ho feta moo, lihlahisoa tsohle tsa rona li entsoe ka lisebelisoa tse tsoetseng pele le mekhoa e thata ea QC ho netefatsa boleng bo phahameng.Haeba u thahasella lihlahisoa leha e le life tsa rona, ka kopo u se ke ua tsilatsila ho iteanya le rona. Re tla leka ka hohle ho khotsofatsa litlhoko tsa hau.