37
Construction, installation, maintenance and repair of installations for the production and distribution of electric energy, calorific energy and refrigerating energy, in particular heating and air conditioning installations and urban heating networks; Maintenance of thermal equipment, maintenance of environmental engineering equipment, maintenance of equipment involving technical readings of installations, status measurements and readings; Installation, management and maintenance of technical equipment in the field of electricity, fire protection and refrigeration; Construction and maintenance of water pumping and water pipeline systems; Rust-proofing
39
Transport; Packaging and storage of goods; Water distribution, energy distribution, in particular electricity, gas, petroleum, heat, cold, air
40
Treatment of materials, namely processing of oil, gas and electricity; Air purification and regeneration; Processing of waste materials; Ventilation (treatment of air); Material treatment information; Production of thermal, refrigerating and electric energy; Rental of heating, refrigerating, ventilation and air conditioning apparatus; Water treatment; Air cooling
42
Scientific and industrial research, namely technical research, mechanical, physical, chemical, scientific and industrial research in the field of electric, oil, thermal, calorific and refrigerating energy; Surveying, namely consultancy, drafting of projects, expertise in the field of electric, oil, thermal, calorific and refrigerating energy, professional consultancy and drafting plans, non-business, in the field of electric, oil, thermal, calorific and refrigerating energy; Technical auditing of installations for the production and distribution of heat energy, calorific energy and cooling energy, in particular of electricity, steam, compressed air, demineralised water, studies relating to the production and distribution of energy, Material testing,Research and testing in the field of electrical energy, petroleum energy, thermal energy, calorific energy and cooling energy carried out by laboratories, Environmental protection consultancy; Technical management of energy generation and distribution installations, namely inspection of the operation of installations, technical consultancy relating to the management and monitoring of electricity consumption; Engineering work (not for construction); Drafting of technical management reports (surveys) on industrial installations and energy generation sites, drafting of plans to deal with risks and indicators of measurement, proposals for plans for improvement; Computer programming, computer management services, namely management of computer networks, design and development of computer software; Quality control consisting of technical reports on installations, measures and progress; Technical diagnosis, visual and functional management (inspection) of installations