Industrial machinery and machine tools, namely, air condensers, water condensers, de-aerators, steam separators, feed water pumps, extraction pumps for extracting condensate for condensers; motors and engines except for land vehicles; fans for motors and engines, motors and engines for fans and for air-conditioning apparatus and installations; heat exchangers being parts of machines; filters being parts of machines or engines; motors and engines, and component parts sold as a unit as well as replacement parts of electrostatic dedusting apparatus; motors and engines, and component parts sold as a unit as well as replacement parts of apparatus and installations for desulphurization of flue gases; motors and engines, and component parts sold as a unit as well as replacement parts of apparatus and installations for eliminating the main pollutants from thermic processes, such as acid constituents, organic constituents, nitrogen oxides, dust and heavy metal

Apparatus for heating, steam-generating, refrigerating, ventilating, and water distribution apparatus, namely, cooling domes; water heaters, water purifying units, heat generators; water desalination plants; cooling apparatus and installations, namely steam accumulators, air conditioning apparatus for separating water droplets from gas streams, steam super heaters; water cooling towers; distillation apparatus; heat exchangers not being parts of machines; cooling apparatus and installations; air conditioning fans; Electrostatic dedusting apparatus, namely, electrostatic precipitators and related equipments; Apparatus and installation for desulphurization of flue gases, namely, wet, dry, semi-dry and seawater-based desulfurization equipments; Apparatus and installations for air purification purposes, namely, fabric filters, cyclones, scrubbers and related dedusting equipment; air filtering installations; filters for cooling apparatus and installations; apparatus for gas purification purposes, namely, gas scrubbers; air filters for industrial installations; Apparatus, devices and installations for eliminating the main pollutants from thermic processes, such as acid constituents, organic constituents, nitrogen oxides, dust and heavy metals, namely, gas scrubbers (wet, dry, semi dry and other designs) for the removal of NOx (SCR and SNCR processes), SOx, dioxine, heavy metals, and other pollutants, electrostatic precipitators, fabric filters, cyclones, scrubbers and related dedusting equipments

Repair and maintenance of buildings and water distribution installations; assembling, cleaning, servicing and repairing heating installations, assembling, cleaning, servicing and repairing ventilating installations, assembling, cleaning, servicing and repairing air-conditioning installations, assembling, cleaning, servicing and repairing refrigerating installations, assembling, cleaning, servicing and repairing thermal exchangers, assembling, cleaning, servicing and repairing cooling installations, assembling, cleaning, servicing and repairing cooling towers; repair and maintenance of construction and industrial machines; rental of construction machines and tools; turnkey construction of cooling installations and cooling towers; assembling, cleaning, servicing and repairing apparatus, devices and installations for eliminating the main pollutants from thermic processes

Construction drafting; advice on construction work, namely, drawing up of plans and construction consulting, drawing up of plans and consulting in the field of thermal exchangers, cooling installations and cooling towers design; construction drafting in connection with assembling thermal exchangers, cooling installations and cooling towers; construction advice in connection with assembling thermal exchangers, cooling installations and cooling towers; architectural services, chemists services, physicists services, engineers services and land surveyors services; computer programming; drawing up of expert reports by engineers or laboratories; technical consultancy services in connection with civil engineering; material testing; thermic performance testing; inspection services and quality control for heating, ventilation and refrigeration installations, thermal exchangers, cooling installations, cooling towers and devices and installations for eliminating pollutants from thermic processes; technical project studies and technical project management for designing and restoring the quality of cooling towers, cooling installations, systems for controlling air pollution, heat exchangers and devices and installations for eliminating pollutants from thermic processes; conducting feasibility studies in connection with constructing, assembling and restoring cooling towers, cooling installations, systems for controlling air pollution and devices and installations for extracting pollutants from thermic processes; engineering; conducting analysis and research in connection with controlling air pollution and cooling; design and testing of new products, namely, installations for eliminating the main pollutants from thermic processes and engineering work in connection with these installations; scientific research in connection with cleansing of thermic processes; technical advice and surveying in connection with installations for extracting pollutants from thermic processes; technical advice provided by engineers concerning automation production functions in industrial processes; "technical advice in connection with operating, managing and supervising industrial installations for treating and purifying liquids and gases as well as for eliminating pollutants; technical advice for optimization of the performance of thermic equipment