污染类型Type of stain 清洁剂Cleaning agent 日常清洁Daily cleaning 洗洁精、肥皂水Detergent,soap water 茶水、咖啡、冰淇淋、油脂、啤酒 纯碱溶液 Tea,coffee,ice cream,grease,beer Pure alkali solution 沉淀物、铁锈、灰浆 硫酸或盐酸溶液 Sediment,iron rust,plaster Sulphuric acid or hydrochloric acid solution 油漆、绘图笔Paint,drawing pen 松节油、丙酮Turpentine,acetone 酱油、醋、碳末Sauce,vinegar,charcoal ash 酸或碱溶液Acid or alkali solution 墨水Ink 草酸Ethanedioic acid 泥水Mud water 亚碱沙、稀盐酸 Inferior alkali and sand,rare hydrochloric acid