Ibisobanuro byamagambo yumutwe?
Yashyizwe kumpande zombi zumutwe wimodoka kugirango itara umuhanda utwara nijoro.Hariho amatara abiri na sisitemu enye.Kubera ko itara ry’amatara rigira ingaruka ku buryo butaziguye ku mikorere n’umutekano wo mu muhanda wo gutwara nijoro, ishami rishinzwe imicungire y’umuhanda ku isi hose riteganya ibipimo by’amatara mu buryo bw’amategeko.
