Ntchito: Pamene kusintha kolowera kumasunga stabler linanena bungwe rotational speed.Products amapangidwa apamwamba aloyi zitsulo kupanga. Ma mbale amakhomeredwa ndi kufinyidwa mabowo ndi ukadaulo wolondola. Pini, chitsamba, wodzigudubuza ndi makina ndi mkulu-mwachangu zida basi ndi zipangizo basi akupera, ndiye kudzera kutentha mankhwala carburization, mpweya ndi asafe chitetezo mauna lamba ng'anjo, pamwamba kuphulika ndondomeko etc.