9
Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electricity distribution apparatus and instruments; apparatus for managing energy supplies; energy control devices; energy regulators; solar energy systems; solar energy collectors for electricity generation; solar energy operating apparatus; solar cells for electricity generation; solar collectors electricity generation; solar panels for electricity generation; solar batteries; sunlight collecting apparatus for electricity generation; sunlight transmitting apparatus; equipment used in converting solar energy to electricity; parts and fittings for all the aforesaid goods
11
Apparatus for lighting, heating and ventilating
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; advisory services relating to energy efficiency; advisory services relating to the use of energy; professional consultancy relating to the conservation of energy; information, advice and consultancy services relating to all the aforesaid