Izinhlobo ezithile zokusha ziqeda umoya-mpilo, kuyilapho abanye bengakwenzi.
Ukushiswa kunamandla, ukusabela kokunciphisa i-oxidation-ukukhipha ukushisa, idinga izici ezintathu: i-oxidant, i-reductant, kanye nezinga lokushisa elifinyelela umkhawulo wokuthungela.
Ngenkathi i-oxygen iyi-oxidizer eyaziwa kakhulu, akuyena yedwa umenzeli okwazi ukwenza le ndima. Ngokwesibonelo, ekushisweni kwe i-hydrogen, I-hydrogen ne-chlorine gas iyasetshenziswa esikhundleni somoya-mpilo.