Advertisement columns, not of metal; Crash barriers, not of metal, for roads; Fences, not of metal; Flagpoles being structures, not of metal; Greenhouse frames, not of metal; Luminous paving blocks, not of metal; Monuments, not of metal; Non-luminous and non-mechanical signs, not of metal; Paint spraying booths, not of metal; Plastic building boards; Portable non-metal buildings; Road signs, non-luminous and non-mechanical, not of metal; Tombstone plaques, not of metal; Transportable building...