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.

umoyamphilo udvonswa ethangeni lelinegesi yemoyamphilo iphindze futsi ibhicaniswe nemoya wemvelo kulesisitakuphefumula, kusuka lapha bese wendluliselwa kulesifonyo bese sigulane siyayihogela.
