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