9 Apparatus and instruments for conducting, switching, transforming, storing, regulating or controlling the distribution or use of electricity; computer software; measuring, signalling, detecting, testing and inspecting apparatus and instruments; sensors and detectors; testing and quality control devices; fuel cells; electricity-generating fuel cell power modules; controllers, electric control valves, switches and circuits; accumulators; electrolysers; electrolyser cells; fuel cell power units; test stations for fuel cells; automated fuel cell test stations; integrated fuel cell systems; test stations for fuels, gas and chemical generators; hydrogen fuel cells; anodes, sensors, cathodes; separators for use in water electrolysers; electric cells and batteries; electric power units; energy regulators; data processing equipment; batteries; rechargeable batteries; chargers; chargers for electric batteries; all of the aforementioned goods not for construction services, real estate services and services in the field of life cycle assessment