Ku bijyanye n’ibicuruzwa byabantu bakuru, guhumeka no guhumeka nibintu byingenzi byo gutekereza, cyane cyane gukoresha ijoro ryose. Guhumeka ijoro ryose amabuye yakuze yagenewe byumwihariko kugirango itange neza mugihe igabanya neza ubushyuhe bwijoro .. Ibi bicuruzwa ni byiza kubantu bafite ubudahangarwa kandi bakeneye igisubizo cyizewe kugirango bakomeze na