Icuma gikozwe mu cyuma gikingira ubusa gifite imitwe ibiri, umutwe w'icyuma gikoreshwa mu gukata, ibice by'imashini zihinga.
Mu buhinzi bwa none, ireme ry'itegurwa ry'ubutaka ni ryo rigena neza ishingiro ry'izamuka ry'ibihingwa. Kugira ngo tubikemure, twatangije iyi mashini ikoresha imitwe ibiri yakozwe mu buryo bugezweho. Binyuze mu kunoza imiterere yayo no gukoresha ibikoresho bikomeye, igamije gukemura ibibazo by'imashini gakondo zikoreshwa mu imashini, nko gukora bike, kwangirika vuba, no gusimbuza ibikoresho bisimburana kenshi, bigaha abakoresha uburyo bwo gutegura ubutaka buhendutse.












