Gusaba:Urusyo rw'inkoni rwitiriwe umubiri wo gusya wuzuye muri silinderi ni inkoni y'icyuma.Urusyo rwinkoni rusanzwe rukoresha ubwoko bwuzuye bwuzuye kandi burashobora gukoreshwa nkurwego rwa mbere rufunguye-ruzunguruka.Ikoreshwa cyane mumucanga wamabuye yubukorikori, inganda zambara amabuye, inganda zikora inganda zambere zo gusya mumashanyarazi.