Iyi mashini nigicuruzwa cyumwuga cyakozwe ukurikije ibikenerwa na moteri, valve, pompe yamazi, gutwara, imodoka nizindi nganda.Iyi mashini ikwiranye no gutunganya no kurangiza gutunganya imbere ya silindrike yimbere ninyuma, isura yanyuma, shobuja, nibindi byuma bya ferrous, ibyuma bidafite fer hamwe nibice bimwe na bimwe bitari ibyuma bifite ibyuma byihuta cyane nibikoresho byifashishwa byifashishwa.