19 Building materials, namely, manufactured cement fibrolite plate, magnesium oxide board veneer for use on floors, walls; Construction materials in the nature of non-metal composite panels composed primarily of resin; Floor boards of wood; Floors, not of metal; Non-metal building materials, namely, veneer, floor, or wallboard; Non-metal floor tiles; Non-metal tiles for walls, floors or ceilings; Parquet flooring; Tile flooring, not of metal; Wall tiles, not of metal