Urashobora gukenera igikoresho cyo hanze niba uvunitse ukuguru, amaguru, cyangwa ikirenge. Ibi bikunze kugaragara mugihe igikomere kitoroshye cyangwa uruhu nuduce tworoshye bikomeretse. Abaganga bakoresha ibyuma byo hanze kugirango amagufwa yawe ahamye. Zifasha amagufwa yawe gukira nyuma yimpanuka mbi. Ubushakashatsi buherutse buvuga ko hanze