The first: use egg to wipe dirty leather sofa, available piece of clean cloth dipped in some egg to wipe can remove stains, and can make the leather bright unabated.
Second: use toothpaste to clean the refrigerator shell, the general dirt of the shell of the refrigerator, can be used to dip a little toothpaste with a little toothpaste. If the stain is stubborn, can.
