6
Common metals and their alloys; Metal building materials; Transportable metal constructions; Pipes and tubes of metal; Goods of metal not included in other classes, including: Drainage plates of metal, Drainage profiles of metal, Street gutters of metal, Drainage courses of metal, Underdrainage pipes of metal, Drain traps [valves] of metal, Junctions of metal for pipes, Manholes of metal, Metal cladding, Grilles of metal for pavements, Routing installations (non-electric) of metal
11
Apparatus for lighting, including fixed underwater lighting installations for swimming pools; Apparatus for heating, including heating installations for swimming pools, Swimming pool heaters, Gas boilers for the heating of swimming pools, Heat exchangers [for chemical processing]; Apparatus for steam generating, heating, refrigerating, drying and ventilation; Apparatus for dispensing water, including swimming pool filters, Temperature regulating valves (parts of water supply installations), Pressure relief valves (safety apparatus) for water pipes, Distillers [for chemical processing], Swimming pool chlorinating apparatus, Spa pools, Hot tubs, Tub spouts, Spas [heated pools], Water filtration installations, Water purification units, Water treatment systems, Water softening installations, Water softening apparatus and installations; Sanitary installations
19
Building materials (non-metallic), including mosaics for buildings, Mosaic tiles, Mosaics of glass for use in building, Mosaics of metal, ceramic mosaic, Tiles, Ceramic tiles, Stoneware paving blocks and surfacings, Ceramic tiles for flooring and lining, Gullies, not of metal, Spackling compound, Ready mixed mortar, Water resistant mortars, Adhesive mortar for building purposes, Cementitious waterproofing coatings, Cementitious waterproofing coatings, Ceramic paving and surfacing; Non-metallic rigid pipes for building, including connecting hoses, not of metal, Drain pipes, not of metal; Asphalt, pitch and bitumen, including bituminous products in the form of waterproofing membranes, polymeric bitumen emulsions for waterproofing buildings