Restoration, repair and maintenance of electric wiring; installation of electrical wiring and conduits; provision of information relating to the repair and maintenance of machines and apparatus for electrical energy distribution or control

Product research and development, namely, developing penstock pipes, in particular high-voltage insulated compressed-air pipelines; research, development and technological planning and consulting services in the field of penstock pipes and equipment, apparatus and instruments for conducting, switching, transforming, storing, regulating and controlling energy; scientific research, development, analysis and consultancy services in the field of engineering