Rotary grad na-ejide nkume, ígwè, osisi ejidere na-eji ihe pụrụ iche, udidi ọkụ, mgbanwe dị elu, nkwụsi ike dị elu.
Kachasị obosara , opekempe ịdị arọ na kacha arụmọrụ nke otu larịị.
Iji mee ka ike dịkwuo elu, jiri nnukwu cylinder ikike pụrụ iche.
Nwere ike ịbụ n'akụkụ elekere, ntụgharị 360 na-atụgharị na elekere.