11
Heat exchangers, in particular stationary heat exchangers, regenerative heat exchangers, compact heat exchangers; cooling towers; rotor air coolers; condensers, in particular turbine condensers, water-cooled surface condensers; cold-end systems for power plants; heat regenerators; air preheater; feed water heaters; gas-gas heaters; air heaters; reheaters, in particular moisture separator reheaters; pre-separators; process gas coolers; desuperheaters; gas and air purification equipment, in particular filter systems for gas and air purification, particle separators, cyclones (centrifugal separators), separator ducts and layer separators, centrifugal and axial fans, flue gas piping, air pipes, tin fume vents, deaerators; boilers; pressure vessels; flash tanks; solar steam generators; thermal storage systems, in particular storage heat exchangers; parts and accessories for all aforementioned goods
37
Installation, maintenance, repair and optimization of industrial plants and power plants, in particular installation, maintenance, repair and optimization of heat exchangers, cooling towers, condensers, feed water heaters, cold end systems, gas and air purification equipment and boilers; development of maintenance and service plans for industrial plants and power plants, in particular for heat exchangers, cooling towers, condensers, feedwater heaters, cold end systems, gas and air purification equipment and boilers; nuclear decommissioning, nuclear dismantling, radiation safety and clearance, for nuclear power plants
42
Engineering, technological consultancy and design services for power plants, in particular for coal fired power plants, combined cycle power plants, concentrated solar power plants, geothermal power plants, nuclear power plants, waste-to-energy power plants, biomass power plants, fluid mechanics; consultancy in the areas of gas cleaning, dust removal and technologies for environmental protection; development of safety concepts for the installation, maintenance, repair and optimization of industrial plants and power plants