The heavy-duty anti-corrosion process of vinilu 901 ndi vinilu 907 zimaphatikizapo pickling line maziko pansi, makoma, madzi ozungulira, maiwe oyeretsera, ngalande, zipangizo C woboola pakati mbedza, zitsulo nyumba, ndi zina zotero pofuna kupewa ngozi ndi dzimbiri acidic. ndi alkaline media.