Non Drive Gravity Roller

Imirasire ya rukuruzi (imizigo yoroheje) ikoreshwa mu nganda zinyuranye nk'imirongo ikora, imirongo yo guteranya, imirongo yo gupakira, imashini zitwara, hamwe na za moteri zitandukanye zo gutwara ibinyabiziga.

Hariho ubwoko bwinshi. Ukurikije uburyo bwo gutwara no kubara ibishushanyo mbonera byerekana ibishushanyo mbonera, birashobora kugabanywa mu mashanyarazi no ku buntu, kandi ukurikije imiterere, irashobora kugabanywa mu kayira kegeranye, kuzunguruka, no kugorora, dushobora kandi gushushanya ubundi bwoko dukurikije ibyo abakiriya bakeneye kugira ngo babone ibyo abakiriya bakeneye.