Dị ka mkpa ndị ahịa si dị, dị iche iche nkọwa nke Onye nzite ozi ebuli n'elu ikpo okwu ụgbọ ala, Onye nzite ozi ebuli hydraulic nyiwe, Onye nzite ozi hydraulic ikpo okwu lifts, Onye nzite ozi ụgbọ-n'ịnyịnya ikuku ọrụ nyiwe nwere ike ahaziri.Nabata ọhụrụ na ochie ahịa na bia kparita uka.