How to form a layer of silicon dioxide on the metal layer?
To the ceramic tile sales shop, buy a ceramic tile cleaning agent, you can also clean
Pour the wax on the tile with boiling water. When the wax is heated, it floats on the surface of the water. When the temperature of the water drops, it is wiped with a cloth and even water and wax are wiped out
On dry ground. Sprinkle with some fly powder. Rub it with a dry cloth or a dry towel. You'll soon get rid of the wax
