Wall coverings in this class; non-metallic wall coverings in this class; ceramic wall coverings, non-metallic wall covering for buildings, other than paint; non-metallic wall materials; non-metallic covering for walls; non-metallic coverings and facings for walls; non-metallic tiles and linings for walls; non-metallic wall covering plates and non-metallic wall covering tile; wall tiles, not of metal; vinyl wall tiles.