Fruit juice and beer are slash, should dip in with soft cloth first washing powder solution is wiped, reoccupy Wen Shui adds a few to feed acetic solution to swab.

• 果汁和啤酒迹，要先用软布蘸洗衣粉溶液擦拭，再用温水加少许食醋溶液擦洗。