Magiya ndechimwe chezvakakosha zvikamu zvegiya bhokisi.Magiya ndiwo mativi emuchina anobatsira kusiyanisa kumhanya uye torque yemashizha ekutenderera mune tiller.Mubhokisi regiya, magiya anoshanda pamwechete kufambisa simba kubva kune shaft yekupinza kuenda kune inobuda shaft, ichiwedzera kana kudzikira kumhanya kwekurima kwakanaka.