Be like a trace still not take out, can twist a cotton cloth after the dip in Wenshui dry, inunction of on drop a few ammonia water, use glazing candle polish finally.

• 如痕迹仍未去掉，可将一块棉布在温水中浸后拧干，滴上几滴氨水涂擦，最后使用上光蜡抛光。