Installation of apparatus for air-conditioning; installation of electrical apparatus; installation of fittings for buildings; installation of fixtures and fittings for domestic premises; maintenance and repair of electronic installations; maintenance, installation and repair of electrical items and equipment; maintenance, installation and repair of industrial apparatus and instruments; providing information, including online, about building construction, and repair and installation services; provision of information in relation to the repair, maintenance and installation of goods; repair, maintenance and installation advisory services; repair, maintenance and installation consultancy services; residential, commercial and industrial installation and repair of electrical and computer wiring and cabling