42 Engineering services and engineering research consultancy in connection with the electric installations, equipments, apparatus, instruments and cables used in the aeronautic, space, rail and defense fields; industrial analysis and surveying services; scientific and industrial research in connection with the electric installations, equipments, apparatus, instruments and cables used in the aeronautic, space, rail and defense fields; research and development in connection with the electric installations, equipments, apparatus, instruments and cables used in the aeronautic, space, rail and defense fields; professional advice and consultancy in the field of engineering in connection with electric installations, equipments, apparatus, instruments and cables used in the aeronautic, space, rail and defense fields; evaluation and research for others in connection with technologies used in the fields of electric energy and in connection with the electric installations, equipment, apparatus, instruments and cables used in the aeronautic, space, rail and defense fields; design of software and computer programs for the production of electrical wiring diagrams; design of software, namely, software for vehicle construction, transport, generation of energy, construction in the fields of electrics and electronics, agri-foods, chemistry, metallurgy, and public works buildings; computer programming for producing electrical wiring diagrams