Official Answer
Answer
Impeta igumana impeta yagenewe gukora kugirango irwanye igice gikomatanye. Niba igice cyagumishijwe gifite radiyo nini cyangwa chamfer munsi yacyo, izahuza impeta ahantu kure yurukuta rwa groove. Ibi byongera 'lever arm' yumutwaro wo gusunika, bigakora umwanya munini wo kunama utera impeta 'isahani' bikananirana. Niba radiyo idashobora kwirindwa (urugero, kubera guhangayikishwa cyane nigitereko), 'gukaraba inyuma-gukaraba' gukomeye hamwe nu mfuruka ityaye bigomba gushyirwa hagati yigice cya radiyo nimpeta igumana. Ibi byemeza ko umutwaro wimuriwe kumpeta hafi yurukuta rwa groove bishoboka, bikongerera ubushobozi bwo gukata.
