Iyi romoruki yubuhinzi yerekana imikorere no kwizerwa, bitewe na sisitemu yo gukwirakwiza ibikoresho bya spiral bevel. Yakozwe kugirango itange umusaruro udasanzwe mubikorwa byinshi byubuhinzi, kuva guhinga no kubiba kugeza gusarura no gutwara, iyi romoruki ituma abahinzi bashobora guhangana nibikorwa byabo bya buri munsi byoroshye kandi neza.
Gukwirakwiza ibikoresho bya spiral byorohereza ihererekanyabubasha, kugabanya gutakaza ingufu no kugabanya itara ryinshi kumuziga, bityo bikazamura gukurura no kuyobora mu bihe bitandukanye. Ikigeretse kuri ibyo, guhuza ibikoresho neza bigabanya kwambara no kurira kubigize, kwagura igihe cya traktor no kugabanya amafaranga yo kubungabunga igihe.
Hamwe nubwubatsi bukomeye hamwe nubuhanga buhanitse bwogukwirakwiza, iyi romoruki igereranya ibuye ryimfuruka yimashini zubuhinzi zigezweho, ziha abahinzi kugera kumusaruro mwinshi no gukora neza mubikorwa byabo.