42 Engineering work and services, expert appraisals and technical project studies in the field of energy production and distribution; engineering work and services, expert appraisals and technical project studies in the field of watercourse planning and restoration, planning of navigable routes, environmental protection, natural resources, sustainable development, regional planning and town planning; engineering consultation services, namely, assistance in construction supervision for conducting integrated approaches to sustainable development and environmental quality issues; advice on energy; engineering consultancy in the field of energy saving; services provided by architects; construction drafting; industrial design; testing of materials; calibration services; surveying and research services, namely, geological, hydrogeological, geotechnical, hydrobiological, biological, hydraulic, hydromorphological, hydrological, sedimentological, hydrometric studies and expert appraisals; technical research for evaluating and optimizing the energy performance of apparatus, installations and buildings; quality control services for others; scientific and industrial research, research and development in the field of energy, renewable energy, the planning and restoration of watercourses, planning of navigable waterways, environmental protection, natural resources, sustainable development, regional planning and town planning; consultancy services provided by engineers on environmental protection, on quality inspections; consultancy services provided by engineers in the electrical, heating, air-conditioning, ventilation, refrigeration, lighting, drying and steam generation sector; computer programming; software development and design; installation, updating and maintenance of software; rental of computer software; data conversion of computer programs and data, other than physical conversion; creation of geographical maps for establishing a cartographical inventory compiling all the environmental, economic and social elements of a particular territory