Tekereza gufungura urugi rw'imodoka ku mushyitsi w'ingenzi - byaba biteye ubwoba cyane iyo umukingo w'urugi rwo hanze usubijwe inyuma mu buryo butunguranye n'urusaku rwinshi. Ku bw'amahirwe, ibi ntibikunze kubaho kuko imikingo myinshi y'urugi rwo hanze ifite ibikoresho utubuto two kuzengurukaIzi dampers zituma umugozi ugaruka buhoro buhoro kandi neza, zikongera ubunararibonye bw'umukoresha muri rusange. Zirinda kandi umugozi gusubira inyuma no gukomeretsa abagenzi cyangwa kwangiza umubiri w'imodoka. Imigozi yo hanze y'inzugi ni imwe mu bice bikunze gukoreshwa mu modoka aho dampers zizunguruka zikoreshwa.