You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence or phrase in English. You must translate it to Xhosa in a way that is equivalent in terms of meaning and grammatically correct.

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:
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