7
Water mills; Machines for capturing marine energy for generating electricity; Hydroelectric, wave-powered and tide-powered installations for the generation of electricity; Turbine electricity generating machines; Generators of electricity
37
Construction of permanent buildings for the production and distribution of energy, in particular hydrokinetic, hydroelectric, wave-powered and tide-powered power plants; Consultancy and information relating to the construction of permanent buildings for the production and distribution of energy, in particular hydrokinetic, hydroelectric, wave-powered and tide-powered power plants; Supervision (management) and inspection of construction work on permanent buildings for the production and distribution of energy, in particular hydrokinetic, hydroelectric, wave-powered and tide-powered power plants, installation, maintenance and repair of machines and apparatus for the production and distribution of energy
40
Energy generation; Information and consultancy relating to energy production; Production of energy from renewable sources, in particular from hydrokinetic, hydroelectric, wave-powered and tide-powered energy; Consultancy and information in the field of the production of energy from hydrokinetic, hydroelectric, wave-powered and tide-powered energy
42
Advice and information relating to environmental protection, renewable energy and sustainable development; Consultancy and information relating to energy saving, technical expertise in the field of the production, distribution, storage and transport of energy; Evaluations, assessments and research in the fields of science and technology, carried out by engineers, in particular in the field of production, distribution, storage and transport of energy; Technical project studies in the field of production, distribution, storage and transport of energy, drafting of plans for the construction of permanent buildings for the generation and distribution of energy, in particular hydrokinetic, hydroelectric, wave-powered and tide-powered power plants