Plaub lub puab tsaig txiv ntoo yog ib txwm siv rau clamping khoom, xws li hauv cov cuab yeej siv rau clamping workpeces, thiab lwm yam; Los ntawm kev sib hloov cov txiv ntoo, txoj haujlwm ntawm plaub leeg claws tuaj yeem hloov kho kom ua tiav kom ua tiav kev hloov kho thiab tswj cov khoom ntawm cov khoom siv clamped; Plaub lub puab tsaig txiv hmab txiv ntoo tuaj yeem muab faib kom muaj zog ntxiv, uas pab tswj kom muaj kev ruaj ntseg ntawm cov khoom uas clamped.