Kwambuka: Izuba Isomo Impinga
Soma: Ingufu, Inama, Impinga.
Izuba ryerekana ubushake bwimiterere nubushobozi bwumuntu. Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Muri ibi bibazo, nubwo ukunda guhuriza hamwe, kuzuza no kwagura ibikorwa byawe nabandi, akenshi ntubyitayeho, utegereje ko batera intambwe yambere. Mugihe ibindi bihe, urumva udafite umutekano kubyo wahisemo. Ibindi