6 Oil storage tanks of metal, metal building materials, non-electric cables of common metal, pipes and tubes of metal, goods of metal (included in class 6), small items of metal hardware, grates of metal, pipelines of metal, junctions of metal for pipes;valves of metal for water pipes, discharge pipes and drainage pipes, supply pipelines of metal, sewer pipes, sewer castings;water pipelines, pipe connections, rainwater tanks, expansion tanks with mechanical and/or electronic level indicators, valves, water meters and draw-off taps (the aforesaid tanks, valves, pipe connections and water pipelines all of metal).
7 Machines used in water, waste water and heating engineering, machines used in waste disposal engineering, machines used in soil drainage and in sewage treatment and waste disposal engineering; water pumps; mechanical tools.
8 Hand-operated tools.
9 Regulating, measuring and control apparatus for heating installations of all types, oil and/or gas measuring and testing apparatus, measuring, signalling, checking (supervision) and regulating apparatus, equipment and instruments.
11 Apparatus for lighting, heating, steam generating, refrigerating, drying, ventilating, water supply and sanitary purposes;water supply apparatus, namely filtering apparatus with pressure reducing and backwashing equipment, water filtering apparatus;ventilating apparatus, boilers, heating burners, floor heating systems, gas, oil and coal heating systems, solar heating systems and solar hot water systems and accessories therefor, namely fittings for heating apparatus, radiators, heating elements, in particular flat radiators, radiator mountings, thermostatic valves, circulating pumps, installations for utilising rainwater;bidets, toilets and wall urinals (other than for medical purposes);shower screens, bathroom fittings, namely mixer taps, and bath tubs and shower trays;lamps, mirror lights, ceiling lights.
17 Insulating materials for heating, sanitary and ventilating pipe systems, packing, stopping and insulating materials, flexible tubes (not of metal).
19 Building materials (non-metallic), non-metallic rigid pipes for building, in particular for supply pipes, pipelines for the removal and disposal of waste water and for soil drainage;junctions, not of metal, for pipes, plastic fittings for pipes and pipelines, industrial fittings, heavy fittings;oil storage tanks of plastic, manhole covers of concrete and metal, draining wells of concrete for soil drainage;finished concrete parts for the removal and disposal of waste water and for soil drainage, water pipelines, pipe connections, rainwater tanks, expansion tanks with mechanical and/or electronic level indicators, valves, water meters and draw-off taps (the aforesaid tanks, valves, pipe connections and water pipelines all of plastic).
20 Crystal mirrors, tilting mirror units, mirrors, mirror holders, bathroom furniture;washstands;hooks.
21 Bathroom fittings, namley soap holders, soap dishes, soap containers, toothbrush holders, towel holders, storage unit holders, storage units, glass holders, towel rings, bath tub handles, bath towel holders, towel hooks, paper roll holders, brush sets, consisting of cleaning brushes and stands therefor, foot rests, folding seats, storage units for guest towels, baskets for guest towels.