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