Icyiciro cya rotary gufata amabuye, ibyuma, ibiti byafashwe ukoresheje ibikoresho bidasanzwe, urumuri rworoshye, guhinduka cyane, kwihanganira kwambara cyane.
Ubugari ntarengwa, uburemere ntarengwa nibikorwa byinshi byurwego rumwe.
Kugirango uzamure imbaraga, koresha silinderi idasanzwe.
Irashobora kuba isaha, guhinduranya amasaha ya dogere 360.