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.
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