Imboni yezokwelapha
Amagesi ezokwelapha amagesi asetshenziswa ezinqubweni zezokwelapha. Ikakhulukazi esetshenziselwa ukwelashwa, izinzwa, ukushayela imishini yezokwelapha namathuluzi. Amagesi asetshenziswa kakhulu yilawa: umoya-mpilo, i-nitrogen, i-nitrous oxide, i-argon, i-helium, i-carbon dioxide nomoya ocindezelwe.