Pipe muffs, not of metal; organic glass (polymethyl methacrylate); junctions, not of metal, for pipes; flexible pipes of plastic; flexible hoses, not of metal; asbestos; insulating materials; synthetic rubber; chemical compositions for repairing leaks; padding materials of rubber or plastics

Sandstone for building; wood, semi-worked; gypsum; plastic pipes for building; bituminous products for building; pipes, not of metal; aluminum-plastic composite pipe; buildings, not of metal; water-pipe valves, not of metal or plastic; concrete building elements