Answer
Muri sisitemu zikoresha, kwicara birashobora kugenzurwa hifashishijwe sisitemu yo kureba cyangwa gushakisha imashini. Sisitemu iyerekwa igenzura niba hariho 'icyuho' cyangwa guhuzagurika birangirira kumwanya ukwiye. Ubukanishi bushobora gupima umwanya wa mpeta; niba impeta iticaye, izicara hejuru kurenza izina rya groove. Kumashanyarazi akomeye yibinyabiziga, ikizamini cya 'torque-to-turn' igice cyagumishijwe kirashobora kandi kwerekana niba impeta yicaye nabi, kuko guhuza ibizavamo byatera ubushyamirane budasanzwe.