Containers of metal for transport; vats of metal; tubing of metal; silos of metal; reinforcing materials of metal for pipes; barrels of metal; casks of metal; metal storage tanks for liquid fermentation; framework of metal for building; ducts of metal for central heating installations; chimneys of metal; chimney shafts of metal; water-pipe valves of metal; drain trap valves of metal not being parts of machines; partitions of metal for building; casings of metal for oil wells; metal formwork tables for concrete; chests of metal; fastening collars of metal for pipes; building parts, namely, prefabricated metal architectural columns; containers of metal for liquid fuel; water pipes of metal; ducts of metal for central heating installations; ducts of metal for ventilating and air conditioning installations; Portable buildings of metal; floating containers of metal for transport; metal pipe bends, namely, elbows of metal for pipes; manhole covers of metal; roof coverings of metal; drain pipes of metal; closures of metal for containers; foundry moldings of metal; manifolds of metal for pipelines; wall claddings of metal for construction and building; building materials, namely, composite panels of metal; casings of metal for oil wells; containers of metal for storing acids; containers of metal for liquid fuel; containers of metal for compressed gas or liquid air; storage tanks of metal; linings of metal for building purposes; rods of metal for welding; soldering wire of metal, namely, solder wire; silver solder; gold solder; valves of metal other than parts of machines. metal supports for barrels, namely, metal supports for use as outdoor post foundations; large barrels of metal; arbors made of metal; metal tubes; metal pipes; valves of metal not being parts of machines

heat exchangers; heat exchangers; heat accumulators; hot air cooking ovens; air cooling apparatus; air-conditioning installations; ionization apparatus for the treatment of air or water; feeding apparatus for heating boilers, namely, boiler feedwater hot water tanks and boiler feedwater heat pumps; refrigerating cabinets; cooling fan systems for wall ovens; floor heating apparatus; mixer faucets for water pipes; heat accumulators; heat regenerators, namely, regenerative heat exchangers; refrigerating chambers, namely, refrigerating cabinets; heating boilers; electrical induction heating apparatus for heating metal workpieces; gas condensers other than parts of machines; freezers; heating elements; air-purifying apparatus and machines; regulating accessories for water supply, namely, metered valves; water heaters; water coolers; fuel economizers, namely, energy recovery ventilators; evaporators; furnaces, other than for laboratory use; Cooking ovens, other than for laboratory use; cooling fan systems for wall ovens; refrigerating appliances and installations; gas condensers, other than parts of machines; steam industrial boilers, other than parts of machines; incinerators; liquid coolers, namely, water coolers; pasteurizers for use in food, beverage, pharmaceutical, petrochemical, spatial, and chemical industries; hot plates; heating plates, namely, hot plates; heat pumps; water intake apparatus, namely, faucets; air valves for steam heating installations; air-purifying apparatus and machines; water purifying apparatus and machines; cooling installations for water; nuclear reactors; solar reactors; air reheaters, namely, electric heating fans; water heaters; refrigerating shipping containers; heat regenerators namely, regenerative heat exchangers; refrigerators; refrigerating apparatus and installations; air cooling apparatus and cooling installations for water. liquid coolers, namely, water coolers; pressurized drainage water treatment tanks; mixer taps for water pipes; drying apparatus and installations, namely, drying apparatus for chemical processing; electric hot air hand dryers; coils as parts of distillation, heating or cooling installations; fans for air-conditioning installations; sterilizers; stands for loading cooking ovens, namely, a base stand for holding cooking ovens; biogas fermentation reactors, namely, percolating fermenters and dry fermenters; draft regulators for heating, namely, barometric dampers for regulating the draft on oil-fired furnaces, boilers, and water heaters; Distillation apparatus not for scientific purposes in the nature of refining towers for distillation; tubes for heating boilers; thermostatic valves as parts of heating installations

Silos not of metal; fermentation vats not of metal; chimneys not of metal; water-pipe valves, not of metal or plastic; partitions, not of metal for building; formwork tables, not of metal, for concrete; water pipes, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; portable buildings, not of metal; manhole covers, not of metal; gutter pipes, not of metal; foundry molds, not of metal for forming cement posts for building, wall panels not of metal for building; synthetic wall claddings for building not of metal; building floor panels not of metal; building glass; insulating glass for building

Installation, maintenance and repair of tanks, silos, heat exchangers, heating and cooling apparatus; construction consultation; building construction information; building construction supervision; building sealing; building repair information