Jack / Rack Jack Mechanical
The ntuziaka ígwè Jack e mere site n'ibu nnyefe ụkpụrụ.It bụ otu n'ime ndị kasị mma ebuli ngwá ọrụ na-arụkwa na-akwado,etc.The ebuli ma ọ bụ eweda ọsọ bụ controllable,
Ọzọkwa, ọ na-emeri adịghị ike nke jacks hydraulic nkịtị nke mbelata ịdị elu na ọsọ na-adịghị achịkwa mgbe mmanụ na-agbapụta.