Nyongolotsi ndi chigongono chokhala ndi dzino limodzi lokha (ulusi) kuzungulira pamwamba pa phula ndipo ndiye woyendetsa gudumu la nyongolotsi. Gudumu la nyongolotsi ndi giya yokhala ndi mano odulidwa pa ngodya kuti ayendetsedwe ndi nyongolotsi. Chigongono cha nyongolotsi chimagwiritsidwa ntchito kutumiza kuyenda pakati pa shafts ziwiri zomwe zili pa 90° kwa wina ndi mnzake ndipo zimagona pa mlengalenga.Czida za zida za nyongolotsi za ustom zitha kugulitsidwachitsulo, chitsulo chosapanga dzimbiri, chitsulo cha kaboni, mkuwa, mkuwa wamkuwa, aluminiyamu ,mkuwa wamkuwa, broze.
Magiya a nyongolotsiMapulogalamu:
Zochepetsa liwiro,Zipangizo zodzitetezera ku kutembenuka zomwe zimagwiritsa ntchito bwino zida zake zodzitsekera zokha, zida zamakina, zida zolembera, mabuloko a unyolo, majenereta onyamulika ndi zina zotero.