Iyunithi yokwahlula umoya luhlobo lwezixhobo ezithatha umoya njengento ekrwada, ijike ibe yimeko yolwelo ngokuyicinezela kwaye ipholise kumaqondo obushushu e-cryogenic, kwaye ngokuthe ngcembe yahlula ioksijini, initrogen, iargon okanye ezinye iimveliso zolwelo ukusuka kulwelo lomoya ngokulungiswa. .Ngokweemfuno zabasebenzisi, iimveliso zeeyunithi zokwahlula umoya zinokuba yimveliso enye okanye iimveliso ezininzi ngaxeshanye, ezinokuba yigesi okanye ulwelo.