Ua tib zoo polish, derust thiab siv cov xim pleev xim rau lub vuam. Ntawm qhov chaw khawb av, rau qhov uas twb muaj lawm rusty welds, phau ntawv derusting tuaj yeem xaiv raws li qhov tseeb ntawm kev khawb. Qhov tsis zoo yog qhov kev siv zog ntawm cov neeg ua haujlwm siab thiab cov nqi zog ua haujlwm siab.
Acid pickling tuaj yeem siv los tshem tawm xeb, uas yog, cov organic acid yog siv los ua lub hauv paus tseem ceeb, thiab corrosion inhibitor, surfactant, xeb tshem tawm, xeb inhibitor, zaj duab xis qub thiab lwm cov ntaub ntawv sib xyaw yog siv los npaj cov kua qaub pickling nrog xeb tshem tawm, kev tiv thaiv xeb thiab primer muaj nuj nqi. Kev tshem tawm xeb thiab tiv thaiv xeb tuaj yeem ua tiav los ntawm kev ntxuav.
Tsis tas li ntawd, thaum lub sij hawm siv, lub excavator yuav tsum tau khaws cia nyob rau hauv ib tug huv si thiab qhuav ib puag ncig, nrog zoo cua cua thiab raws sij hawm tawm ntawm corrosive gas thiab ya raws.
