Task: Translation
Input (English): Either these gases are re-liquefied by means of on-board liquefaction plant, and returned to the cargo tanks, or they can be used as fuel-in the boilers of the gas tankers, which are usually propelled by steam turbines.
Output (Xhosa): Ezi rhasi zingajika zibengamanzi ngendlela zenkcazo ngohambo lwesitya esibuyela kwitanki yenqanawa okanye zingasetyenziswa njengezibaso lwetanki yerhasi ethi ngamanye amxesha ziqhuba injini ejikeleziswa ngumsinga wamanzi enomphunga