Swimming pool chlorinating apparatus; swimming pool water cleaning units; filters for swimming pools

Computer hardware; computer software; computer software for use in the field of energy, including energy trading; telecommunications hardware and software for use in the field of energy, including energy trading; computer software for energy management; downloadable publications; DVDs and CD-ROMs, electricity and energy meters; telecommunications apparatus; utility use monitoring devices; electric conductors; electric cables; meters; energy regulators; heat regulators; regulating apparatus, e...