Roll Umurongo umwe wa silindrike uruziga rufite imbaraga za radiyo gusa, gukomera gukomeye, kurwanya ingaruka.
● Irakwiriye kumashini magufi hamwe ninkunga ikomeye, shitingi hamwe no kwimura axial iterwa no kuramba kwamashyanyarazi, hamwe nibikoresho bya mashini bifite ibyuma bitandukanya kugirango bishyirwemo kandi bisenywe.
● Ikoreshwa cyane cyane kuri moteri nini, ibikoresho bya mashini kuzunguruka, moteri imbere ninyuma ifasha uruziga, gari ya moshi hamwe n’imodoka itwara abagenzi ishyigikira shaft, moteri ya mazutu ya crankshaft, garebox yimodoka, nibindi.