Air ducts of metal for buildings; Ducts and pipes of metal for central heating installations; Ducts of metal for central heating installations; Ducts of metal for housing ventilation pipes; Ducts of metal for ventilating and air conditioning installations; Metal ducts (other than electric); Venting ducts of metal; Air grilles of metal; Air diffusers of metal (vents, grills) for ventilating, heating and air conditioning installations; Channels of metal for transmitting air for ventilation; Control valves (manual) for controlling the flow of air (other than parts of machines); Metal frames for air pipes; Metal fabrication materials; Sheet metal fabrications; Access chamber covers of metallic materials; Angle irons of metal; Apparatus of metal for securing; Articles of metal for hanging purposes; Sheets and plates of metal; Articles of metal for use as plumbing fittings; Connectors of metal for use in plumbing; Bend pipes of metal; Branching pipes of metal; Flexible metal pipes (other than parts of sanitary installations); Insulated metal pipes (other than parts of machines, engines or motors); Metal clamps for fastening pipes; Metal joint connectors for pipes; Metal valves for water pipes; Pipes of metal, for central heating installations; Sprinkling pipes of metal; Water inlets (valves of metal) for water pipes; Water outlets (valves of metal) for water pipes; Water pipes of metal; Valves (taps) of metal for controlling flow; Ventilator flaps of metal for buildings; Vents of metal; Control valves (manual) for controlling the flow of gasses (other than parts of machines); Control valves (manual) for controlling the flow of liquids (other than parts of machines); Flow isolating valves of metal; Stop cocks of metal (other than parts of machines, or being regulating or safety apparatus for water and gas)

Custom fabricating, making or manufacturing of goods or materials (for others)

Construction parts for disposal of household, ground and municipal waters, namely drains and strainers for roofs, drainage grilles, traps, valves, filters, pipes, moldings, angle sections, waste water pipes, refrigerant lines, discharge drains, sewers, fasteners for pipes and sewers; all the aforesaid goods made of metal, steel, special steel and cast iron; steel and cast iron separators

Construction parts for disposal of household, ground and municipal waters, namely faucets, valves and fittings and regulating sets, filters

Electric pumps, hydraulic pumps, hydraulic cylinders, hydraulic bar cutters, hydraulic cable cutters, hydraulic knock-out punchers, hydraulic crimpers, hydraulic wire and cable cutters, hydraulic grip pullers, hydraulic conduit and pipe benders, hydraulic torque wrenches, hydraulic presses, machine parts, namely hydraulic couplers and presser switches, hydraulic manifolds and fittings

Pressure switches and sensors for monitoring, controlling, and switching hydraulic and pneumatic systems, pressure relief valves, pressure reducing valves, flow control throttle valves, shut-off valves, pressure load holding valves, hydraulic pressure guages

Cable adaptors; identification sheaths of plastics for electric cables, optical fibres; parts and fittings for all the aforesaid goods, all made of plastic and all being associated with a use secondary to the transfer of fluids

Cable adaptors; parts and fittings for all the aforesaid goods and all made of non-metallic material or predominantly of non-metallic material