[Class : 19] Non Metal Beams; Pre Fabricated Architectural Columns, Not Of Metal; Non Metallic Building Materials; Building Timber; Plywood; Cement; Sand; Bricks; Concrete; Marble; Lime; Stone; Plaster; Gravel; Slate; Quartz; Granite; Asphalt; Pitch; Bitumen; Mortar; Sandstone; Mosaics For Building; Vinyl Siding; Non Metal Water Pipes; Non Metallic Tiles, Cladding, Frames & Reinforcing Materials For Building; Non Metallic Framework For Building Non Metal Flooring; Non Metal Roofing; Ceilings, Not Of Metal; Non Metallic Door & Window Frames; Non Metal Shutters, Doors, Windows, Gates & Fences; Building Glass; Non Metallic Transportable Buildings.