Choyimira cha jack chosinthika ndi chida chosunthika chomwe chimagwiritsidwa ntchito kwambiri pakukonza ndi kukonza magalimoto. Zili ndi maziko olimba achitsulo, makina onyamulira osinthika, mbali zogwiritsidwa ntchito pamanja ndi zida zosiyanasiyana zotetezera ndi kukhazikika. Mwa kungotembenuza chogwirira, kutalika kwa jack kumatha kusinthidwa mwachangu komanso molondola kuti akwaniritse zosowa zamagalimoto osiyanasiyana ndi kukonza. Mphamvu zake zazikulu zonyamula katundu, chithandizo chokhazikika komanso chitetezo chodalirika chimatsimikizira kugwira ntchito kotetezeka panthawi yokweza ndi kutsitsa galimoto yonse kapena zigawo zake.
Ma jack osinthika amagwiritsidwa ntchito ngati chida chothandizira ndikukweza magalimoto. Lili ndi zotsatirazi zazikulu mbali.
Ponseponse, choyimira cha jack chosinthika ndi chida chothandiza kwambiri chokonzekera magalimoto. Sikuti zimangowonjezera magwiridwe antchito, komanso zimatsimikizira chitetezo chogwira ntchito, komanso ndizofunikira kukhala ndi zida zamafakitale okonza magalimoto ndi eni magalimoto apanyumba.