Imashini zipakira imifuka zigira uruhare runini mugukora no gutunganya, cyane kubucuruzi bukora ibikoresho byifu. Izi mashini zagenewe byumwihariko kugirango zikore inzira yo gupakira, igabanya cyane ibiciro byumurimo kandi byongera umusaruro. Mugutsinda uburyo ibicuruzwa bipakirwa, abakora urashobora kugera kuri byinshi no kubari