Iki kivangavanga nigikoresho cyiza kubyo ukeneye byose byo guteka.Ikozwe mubyuma byujuje ubuziranenge ibyuma, irakomeye, iramba kandi yubatswe kuramba.Igikombe cyakozwe mubyibushye mubitekerezo, byemeza ko bishobora kwihanganira imirimo ikomeye yo kuvanga bitatakaje imiterere cyangwa ubuziranenge.Icyuma gisize ibyuma bitagira umuyonga kiraha isura nziza kandi yumwuga, bigatuma kongerwaho byingenzi mugikoni icyo aricyo cyose.