4
Industrial oils and greases; lubricants; dust absorbing, wetting and binding compositions; fuels (including motor spirit)
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; industrial boilers; power boilers; fluidized bed boilers; heating boilers; burners; heating plants; gasification plants; pyrolyzing plants; pyrolyzing apparatus; industrial recovery boilers; incinerators; evaporators; flue gas condensers; industrial air purification apparatus; gas cleaning apparatus and machines; flue gas scrubbers; vent gas scrubbers; power boiler scrubbers; recovery boiler scrubbers; limestone scrubbers; odour gas treatment for industrial use; desulphuration plants; and spare parts for all aforesaid goods
37
Building construction; repair; installation services; installation, maintenance and repair services of industrial boilers, burners, power plants, heating plants, air and gas cleaning machines; installation, maintenance and repair services of machines and equipments in the field of chemical recovery, power generation and energy production
41
Education; providing of training; training in the field of chemical recovery, power generation and energy production
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; engineering services in the field of chemical recovery, power generation and energy production; technical services and technical consultation in the design, operation and maintenance of power plants; inspection and remote diagnosis services for monitoring the condition and function of industrial boilers, burners, fuel feeders, power plants, heating plants, air and gas cleaning machines, and cleaning machines for industrial installations; inspection and remote diagnosis services for monitoring the condition of machines and equipments in the field of chemical recovery, power generation and energy production