A haziri otu ahịrị na-agbagharị agbagharị ka ọ nabata ibu radial na axial jikọtara ọnụ ma nye obere esemokwu n'oge arụ ọrụ.Mgbanaka dị n'ime, na rollers na onu, nwere ike ịtinye iche na mgbanaka mpụta.Ihe ndị a na-ekewapụ na ndị na-agbanwe agbanwe na-akwado ịkwado, ịkwatu na mmezi.Site n'ịkwanye otu ahịrị rola na-agbado n'ọzọ na itinye ihe mbu, enwere ike nweta ngwa nbido siri ike.
Nkwenye nke akụkụ na geometrical maka ihe nrịbama rola a kpụrụ akpụ bụ ihe fọrọ nke nta ka ọ bụrụ otu.Nke a na-enye nkesa ibu kacha mma, na-ebelata mkpọtụ na ịma jijiji, ma na-enyere aka ịtọ ebubu ụzọ nke ọma.
