Oxygen, nke na-enyere aka na combustion, abụghị ihe mgbawa n'onwe ya.
Agbanyeghị, mgbe itinye uche ya na-adị elu nke ukwuu, na ihe ndị na-ere ọkụ na-ejikọta ya na ikuku oxygen n'otu akụkụ, ha nwere ike na-ere ọkụ nke ukwuu n'ihu nnukwu okpomọkụ ma ọ bụ ọkụ na-emeghe. Ọkụ a siri ike na-ebute mmụba na mberede na olu, si otú ahụ kpalite mgbawa.