Amabya abiri ari mu gasaho nk’uko bisanzwe rimwe iruhande rw’irindi. Mu mabya ni ho hakorerwa intanga-ngabo ni na ho zibikwa. Intanga-ngabo zinyura mu miyoborantanga ziva mu mabya zisohoka. Zigisohoka mu mabya,zihita zivanga n’amasohoro yakorewe mu miyoboramasohoro.