Screw jacks yog siv rau kev tsheb ciav hlau kev kho tsheb, mines, kev tsim kho engineering, thiab kev nqa thiab txo qis ntawm cov khoom hnyav. Vim hais tias nws yog portable, yooj yim los tswj, thiab muaj kev nyab xeeb rau siv, nws yog dav siv nyob rau hauv mobile lifting hauj lwm. Piv txwv li, lub tsheb ciav hlau tuaj yeem hloov lub zos qag thiab cov nqaj hlau steel los txhim kho thiab txhawb nqa, thiaj li ua tiav lub hom phiaj nqa kev nyab xeeb thiab ntseeg tau.