6
Structural steels
37
Welding for repair purposes; Rental and maintenance of work platforms; Services for the repair of heat exchangers; Services for the repair of conduits; Services for the repair of canals; Electrical installation services; Installation of plant; Laying of cable; Laying of land cables; Repair of power generating apparatus and installations; Repair of steam generating apparatus; Repair of turbines; Repair of electrical equipment and electrotechnical installations; Repair of industrial furnaces; Repair of industrial machinery; Repair or maintenance of electric motors; Pump repair or maintenance; Repair or maintenance of industrial furnaces; Repair of energy production plants and machines; Repair of structures for use in high temperature conditions; Repair or maintenance of power generators; Pump repair and maintenance; Repair and maintenance of feed or booster pumps; Maintenance and repair of gas and electricity installations; Maintenance and repair of energy generating installations; Maintenance and repair of electricity generators; Repair of cranes; Plumbing and gas and water installation; Maintenance, servicing and repair of power generating apparatus and installations; Maintenance and repair of pressure equipment; Maintenance and repair of cranes; Maintenance and repair of solid fuel boilers; Maintenance and repair of industrial pressure vessels; Maintenance and repair of industrial piping; Installation of boilers; Installation of conveyors; Electric appliance installation and repair; Installation of gas supply and distribution apparatus; Installation of power generating apparatus; Installation of electric light and power systems; Installation of industrial furnaces; Installation of industrial pressure equipment; Installation of industrial pressure vessels; Installation of industrial piping; Installation, repair and maintenance of steam condensers; Installation, repair and maintenance of boiler tubes; Installation of insulating materials; Installation of industrial machinery; Installation of pipe insulation; Installation of gas pipelines; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair
40
Cutting of metal; Steel cutting; Custom manufacture of steel construction elements; Welding