oxygen is drawn from an oxygen gas tank and is mixed with natural air in the ventilator, from where it is transmitted to the mask and breathed in by the patient.

oksijene e hulwa tankeng ya gase ya oksijene mme e tswakwa le moya wa tlhaho o kahara sethusaphefumoloho ebe ho tloha moo e fetisetswa ho sekwahelasefahleho mme mokudi o e phefumolohelwa kahare.
