Ob chav nruas winch yog siv nyob rau hauv lub hwj chim kis tau tus mob thiab tis engineering, xov tooj siv ntauwd erection, traction cable, kab, hoisting cuab yeej, ntauwd erection, ncej teeb, stringing hlau nyob rau hauv hluav taws xob txoj kab kev tsim kho, lub winch yog tsav los ntawm ib tug siv, zoo tiv thaiv lub kev puas tsuaj ntawm overload.Ob chav nruas qauv tuaj yeem txo qhov kev puas tsuaj ntawm cov hlua hlau thaum traction.