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 tswa mo tankeng ya oksijene mme e tswakwa le mowa o o tlwaelegileng o o leng mo motšhining wa go thusa go hema mme go tsweng foo e fetela mo masekeng moo e tla hemiwang ke molwetse.
