UJack Mechanical Jack / Rack Jack
Ujeke wensimbi owenziwe ngomshini uklanywe ngesimiso sokudluliswa kwemishini.Ingenye yamathuluzi okuphakamisa angcono kakhulu asetshenziswa ekulungiseni nasekusekeleni, njll.Ijubane lokuphakamisa noma lokwehlisa liyalawuleka,
Ngaphezu kwalokho, inqoba ukushiyeka kwamajekhi asebenza ngogesi ajwayelekile anobude obuphansi nesivinini esingalawuleki uma uwoyela uvuza.