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