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