Test method for tableware pattern removal by mechanical dishwasher detergents 用机械洗碟去污剂清除餐具图案的试验方法
2.
Always wash your pans by hand - never in the dishwasher . ( automatic dishwasher detergents contain harsh chemicals that can permanently discolor copper . ) and be sure to dry thoroughly to prevent spots 经常手洗你的锅?从不用洗碗机洗。 (自动洗碗机用强硬的化学剂清洗,会让铜掉色) ,确保锅完全干燥以防有污点。