Chingwe chojambulachi chimagwiritsidwa ntchito makamaka pakulumikiza kwakanthawi kwa chingwe cha waya ndi kukonza chingwe chakumbuyo pamene chingwe cha waya chikudutsa pamtengo wa pulley, komanso kukonza mutu wapamwamba wa chingwe champhepo cha ndodo ya scraper, kuphatikiza chingwe chawaya chokhala ndi phosphatide, chingwe chawaya chamalata, chingwe chosapanga dzimbiri ndi chingwe chosalala.Ndi mitundu ingapo yama waya omwe amagwiritsidwa ntchito ponyamula.
