Ebe a na-eji ọkụ na-egosi mgbawa

A na-ejikarị ọkụ na-egbochi mgbawa na mpaghara nwere gas na-ere ọkụ na ihe mgbawa, dị ka osisi kemịkal, refinerries, ala mmanụ, ọdụ mmanụ ụgbọala, na ụlọ ọrụ ọgwụ.