Putting a coat on an object is a way to protect it from damage and make it look more attractive. Painting involves applying a thin layer of color to the surface of the object. Waxing is a process of applying a thin layer of WAX to the surface of the object. Encrusting involves covering the object with a layer of material such as gems or jewels. Gilding is a process of covering the object with a thin layer of gold or other metal.