Itha kukhazikitsidwa mosavuta pandodo ya pistoni popanda zina zowonjezera zosindikiza.
Itha kuyambika nthawi yomweyo chifukwa cha kagawo ka mpweya wabwino
Chifukwa cha geometry ya milomo yosindikiza, filimu yowonongeka imatha kusungidwa, kotero kuti kukangana kumakhala kochepa ndipo ntchitoyo ndi yosalala.
Itha kugwiritsidwa ntchito popaka mpweya wokhala ndi mafuta ndi mpweya wopanda mafuta