6 Building materials (of metal), tubes (of metal), pipeworks (of metal); buildings and parts of buildings, transportable (of metal).
7 Mechanical construction apparatus; spraying devices and pumps included in this class; suction filters, filters (parts of machines or engines).
11 Water cleaning, water supply, and water conduits installations; regulating and safety accessories for water apparatus, water cleaning, water supply, and water conduits installations; water filtering apparatus.
19 Building materials (non-metallic); concrete and plastic building products for underground construction work, horticulture, landscaping, housebuilding, road repair and road making; buildings and parts of buildings, transportable (non-metallic); prefabricated parts of buildings made of concrete or plastic (building materials); rigid pipes for building (non-metallic); water-pipes (non-metallic).
