metal or steel structures and frames for use in buildings; metal fluid storage tanks; metal steam boilers; metal stop-valves for metallic ducting; metal reinforcement for metallic ducting; metal man-hole covers; metallic tuyeres and nozzles; metal bosh tuyeres; metal gas jets; metal connectors for pipes used in gas and liquid distribution, in tanks, in ventilation and dust-extraction systems, in liquid coolant plant, in gas scrubbers and heat exchangers

Continuous casters; converters; rolling mills and non-ferrous plant; tap hole plugging machines; tap hole drilling machines; conveyor belts; slag treatment and filtration plants; slag granulation plants; crushing and screening plants; plants for blowing refining gases into steel converters; injection lances; plants for pneumatically transporting and injecting pulverized material into furnaces; plants for heat treatments of steel products; machines for refractory lining steel converters and furnaces; cranes and special purpose traveling cranes for steel works

temperature, gas, volume and weight controls, monitors, measures, regulators, weighting and batching instruments for use in blast furnaces; sonic meters; profile meters; gas probes; sampling probes for solids; mechanical samplers for blast furnaces; mechanical profile meters; microwave stockline gages for use in blast furnaces

blast furnaces; blast furnace cooling boxes; blast furnace cooling staves; cowper stoves and regenerators for blast furnaces; incinerators and dust-extractors; blast pipes and slag holes for blast furnaces; blast furnace air ducts; metal blast furnace delivery chutes; electric arc furnaces; ladle furnaces; bleeder valves, equalizing and relief valves, goggle valves, dustcatcher isolation valves, tuyere stocks, and stockrods for use in blast furnaces; bell type top burden chargers and distributors for blast furnaces, bell less type top burden chargers and distributors for blast furnaces

installation and setting up of industrial machines and equipment; installation and setting up of electric appliances; installation and fitting of ducting for liquids and gases; maintenance of products and/or equipment for the electronic and electrical industries, for precision engineering and general mechanical engineering; factory construction; installation, maintenance and repair of plants, equipment and machines for the iron and steel industry; construction of buildings, particularly of buildings and structures ready for occupation

consultancy, advisory and supervisory services in the engineering field, namely, in connection with plant; equipment and processes for the iron and steel industry; up-and-running units in the industrial and civil engineering fields; constructional steel work; boilerwork and mechanical engineering; travelling cranes and other handling equipment; crushing and screening equipment; consultancy, advisory and supervisory services in construction; mechanical engineering and technical research; engineering services in the fields of mechanical engineering; civil engineering, fluids, electronics, electricity, automation, artificial intelligence and optimization; preparing computer-aided technical and architectural drawings for others; computer programming for others