Izuba ryerekana ubushake bwimiterere nubushobozi bwumuntu. Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Igiciro na morale yibi bibazo birashobora kugira ingaruka zitaziguye. Ariko ntabwo bigera aho bidashobora gukosorwa. Ibindi