The gases concerned are primarily the natural gases, principally methane, but also the petroleum gases that consist in the main of propane and butane and that are recovered with the oil at the oil fields.
Irhasi enxulumene kuqala nerhasi yendalo idesi efunyanwe emgodini wamalahla eyintlo nerhasi eyi-petroleyum eyenziwe ngohlobo oluthile lwegesi esetyenziswa ekubaseni nolunye uhlobo oluthile lwegesi olufunyenwe ne-oli kummandla we-oli