Mu mtima wa injini dizilo, dongosolo mafuta jekeseni umachita roles.Through zofunika pressurizing ndi jekeseni ya mafuta, magulu dongosolo mu mpweya wakhala wothinikizidwa kuti othamanga mu chamber.It kuyaka wapangidwa mpope mafuta jekeseni , paipi chitoliro, jekeseni noz ...
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