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