42 Engineering services, namely, engineering in the field of energy generation and distribution; engineering work and services, namely, engineering in the field of watercourse development and restoration, development of navigable routes, environmental protection, natural wealth, sustainable development, regional planning and town planning; energy consulting, namely, consulting services in the fields of energy measurement to improve energy efficiency and in connection with energy saving; architectural services; construction consulting, namely, construction drafting; industrial design; material testing; calibration; technical research in the field of geological, hydrogeological, geotechnical, hydrobiological, biological, hydraulic, hydromorphological, hydrological, sedimentological, and hydrometric; technical studies, namely, technical research for evaluating and optimizing the energy performance of apparatus, installations and buildings; quality control for others; scientific and industrial research, research and development in the field of energy, watercourse development and restoration, development of navigable routes, environmental protection, natural wealth, sustainable development, regional planning and town planning; engineering consulting on environmental protection, on quality inspections; engineering consulting in the field of electricity, heating, air-conditioning, ventilation, refrigeration, lighting, drying and steam generation; computer programming; development and design of computer software; computer software installation, updating and maintenance; rental of computer software; data conversion of computer programs and data, not physical conversion; design of geographical maps in order to establish a geographical inventory recording all the environmental, economic and social elements of a particular territory