Building materials of metal; transportable buildings, of metal; railway material of metal, pipes of metal, locks of metal and small items of metal hardware; grids and gratings of metal; frames of metal for building; gutters and gutter coverings of metal; elbows of metal for pipes; gullies of metal; tension links; manifolds of metal for pipelines; sealing caps of metal; drain pipes of metal

Building materials, not of metal; gutter pipes, not of metal; water-pipes not of metal; gullies, not of metal; drain pipes, not of metal; non metallic drainage channels; gutters, not of metal; water storage tanks of masonry; slabs and floor tiles, not of metal; pipework, not of metal; drain pipes; caissons for construction work under water, not of metal; grids and gratings, not of metal; gutter coverings, not of metal; cement slabs; concrete building elements; concrete gutters and concrete edgings