Mechanical Jack / Rack Jack
Iro bhuku resimbi jack rakagadzirwa ne mechanical transmission musimboti.Ndicho chimwe chezvakanakisa zvekusimudza maturusi anoshandiswa mukugadzirisa nekutsigira, etc.Kusimudza kana kudzikisa kumhanya kunodzoreka,
Zvakare, inokunda kushomeka kweajairika hydraulic jacks ayo kudzika kureba nekumhanya kunenge kuri kunze kwekutonga kana mafuta achidonha.