Ceramic coating is a type of material used to protect surfaces from wear and tear. GLAZE, with five letters, is a thin layer of glass-like material applied to the surface of POTTERY or ceramic tiles. ENAMEL, with six letters, is a glossy, hard coating made from melted glass and applied to metal or ceramic surfaces. POTTERY, with seven letters, is the art of creating objects from clay and other materials. TILE, with four letters, is a thin, flat piece of ceramic or stone used for covering walls, floors, and roofs. A TILER, with five letters, is a person who lays tiles for a living.