A na-ekewa sistemu mkpụrụ osisi griin ha n'ime ebe a na-ebugharị ebugharị, Ebb&Flow Rolling Bench na mkpụrụ osisi edobere dabere na ojiji ya.I. Ebe a na-ebugharị ebugharị Ebe mkpụrụ osisi a na-ebugharị ebugharị bụ ngwakọta nke ụgbụ mkpụrụ osisi, aro na-akpụ akpụ, bracket, framebed seed frame, wheel hand, horizon...