Ukoresheje ubuhinga buhuriweko bw’inkomoko y’umuyagankuba w’umuyagankuba, hakurikijwe ibiranga umuco w’umuyagankuba w’amatara y’izuba, ubuhinga bwo guhingura umuyagankuba n’umuco udasanzwe, amatara y’umuco w’umuco ashobora kuzigama amashanyarazi arenga 80%, ari vyo vy’ukuri bikora neza kandi bizigama inguvu. ivyangombwa . Bitorera umuti ingorane y'ububasha buke n'umuco udahagije w'umuco w'umuyagankuba w'umuyagankuba mu murima w'umuco, kandi ugaragaza ibiranga umuco mwiza cane cane. amatara