Accumulators, electric; Batteries, electric; Charging appliances for rechargeable equipment; Optical inspection apparatus; Photovoltaic solar panels for the production of electricity; Semi-conductors; Semiconductor devices; Solar batteries; Solar panels for production of electricity; Battery chargers; Chargers for electric batteries; Electric installations for the remote control of industrial operations; Electronic semi-conductors; Integrated circuits; Photovoltaic cells; Rechargeable electri...