Mechanical Jack / Rack Jack
Jack steel jack idapangidwa ndi makina otumizira mfundo.Ndi imodzi mwazida zabwino kwambiri zonyamulira zomwe zimagwiritsidwa ntchito pokonza ndi kuthandizira, etc. Kukweza kapena kutsitsa liwiro kumayendetsedwa
Kuphatikiza apo, imagonjetsa kuperewera kwa ma jack hydraulic jacks omwe kutalika kwake ndi liwiro silingathe kuwongolera mafuta akatuluka.