35 Operation of businesses for others relating to organisation and business economics in the field of planning, operation, installation and maintenance of energy generation installations relating to renewable energies; business advisory services and business consultation in the field of planning, operation, installation and maintenance of energy generation installations relating to renewable energies; assistance and consultancy services in the field of business management of companies in the energy sector; business management service, namely, assessment of business; demonstration of goods relating to machines, electrical and electronic goods, software, engines, powertrains and machine parts, electricity generators, windmills, wind-powered electricity generators, wind turbines, coupling and transmission components for machines, apparatus for electricity, instruments for electricity and cables for electricity, measuring instruments, detecting and monitoring instruments, pressure indicators and controllers, recorded software, information technology and audiovisual equipment, measuring apparatus, electronic data processing equipment, sensors and detectors, sensor controllers, sensors for measuring instruments, parts and fittings for all the aforesaid goods; wholesale store services and retail store services featuring electric power distribution machines, recorded software for monitoring electricity, engines, transmission powertrains and electrical machine parts for electric generators, electricity generators, windmills, wind-powered electricity generators, wind turbines, coupling and transmission components for machines, apparatus for analyzing gases, electricity meters and electric cables, electricity limiters, electricity wire connectors, climate control digital thermostats, recorded computer operating programs, information technology land audiovisual equipment in the nature of video recorders for monitoring the environment, distance measuring apparatus, electronic data processing equipment in the nature of electronic data recorders, gas and fire sensors and detectors, gas and fire sensor controllers, sensors for gasometers; procurement of contracts for others concerning purchasing energy; retail store services featuring engines and electricity generators that can be purchased under a rent-to-own contract; business advisory services, consultancy and information in relation to the aforementioned services