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