Zitsulo zomwe zimagwiritsidwa ntchito kwambiri popanga zida zomangira ndi zitsulo zozimitsidwa ndi zofewa, zitsulo zolimba, zitsulo zosungunuka ndi zouma komanso zitsulo zopangidwa ndi nitride. Mphamvu ya zida zomangira ndi yotsika pang'ono kuposa ya zida zomangira zitsulo zomangira, ndipo nthawi zambiri imagwiritsidwa ntchito pa zida zazikulu, chitsulo chotuwa chili ndi mphamvu zochepa zamakaniko ndipo chingagwiritsidwe ntchito potumiza zida zopepuka, chitsulo chosungunuka chimatha kusintha chitsulo pang'ono kuti chipange zida.
M'tsogolomu, zida zomangira makina zikukula motsatira katundu wolemera, liwiro lalikulu, kulondola kwambiri komanso kugwira ntchito bwino kwambiri, ndipo zimayesetsa kukhala zazing'ono, zopepuka kulemera, zazitali komanso zodalirika.