The support in the tower, although pickled and galvanized, plastic injected, the water quality still needs protecting by painting antirust additive or antirust varnish according to the corrosion condition.

• 塔体内外支架，虽经酸洗热镀锌喷塑，但因运输安装中损伤，水质问题等视其腐蚀程度，涂防锈剂或防锈漆进行保养。