Oxygen Supply Device
Zvigadzirwa zvinopa hutano hwehuwandu hwevanhu. Maererano neWHO, zvigadzirwa izvi zvinofanirwa kuwanikwa "nguva dzese, muhuwandu hwakakwana mumafomu akakodzera ekuyerwa, nemhando yakavimbiswa uye ruzivo rwakakwana, uye nemutengo uyo munhu uye nharaunda inogona kutenga".
