19 Non-metallic building materials, namely, [ planks, pilings, plywood, artificial timber, artificial bamboo, bamboo, wood rafters, ] ceilings panels, [ logs, wooden railings, floor boards, artificial stones, paving stone, stone sculptures, concrete sculptures, marble sculptures, stone lanterns,] fences [, posts for fences, bamboo board made of synthetic resin, logwood board made of synthetic resin, gates, lattice works, and bricks] ; Non-metal [ storage sheds and ] storage boxes; Greenhouses, transportable, not of metal; [ Buildings, transportable, not of metal; Blinds, not of metal and not of textile; ] Non-metallic structures for supporting plants, vegetables and flowers; Arches of non-metallic materials for supporting plants, vegetables and flowers; [ Non-metal garden sheds; Archways of non-metallic material for supporting plants, vegetables and flowers; Plant espaliers of non-metallic material, and parts and fittings for the aforementioned; Letter boxes of masonry; Man-made garden ponds; ] Cold frames, transportable, not of metal [ ; and Non-metal storage sheds and storage boxes ]