Bamwe mu bakoresha bagaragaje ko iyo gukoresha imashini ikora imisumari mu gukora imisumari mu kazi, bikunze kugaragara mu gukora imisumari hari ibibazo bimwe na bimwe bitujuje ibyangombwa, kuri iyi mashini ikora imisumari kugirango ikore imisumari ibibazo bitujuje ubuziranenge, nabivuze muri make , na oya ...