Kurugero, nibyiza kubibari, ibyumba byingirakamaro cyangwa ibyumba bito aho umwanya ari muto kandi birakenewe igisubizo gikora kandi cyoroshye.Muri rusange, uduce duto dutanga ibyiza nko kuzigama umwanya, kuborohereza, gukoresha neza, guhinduranya, koroshya kubungabunga, hamwe nibisubizo bikora kubikenewe byihariye.Ingano yazo ntishobora kubangamira imikorere cyangwa ubwiza, bigatuma bahitamo neza kubuzima bugezweho.