Charitable services, namely repair, maintenance and installation; electric appliance installation; electric appliance installation and repair; electrical apparatus installation; electrical installation services; handyman repair, maintenance and installation services; information technology (IT) services (computer and computer peripherals installation and maintenance); installation and repair of computer hardware; installation and repair of telecommunication apparatus; installation and repair of underwater pipelines; installation fire detection systems; installation lighting systems; installation of apparatus for air-conditioning; installation of apparatus for heating; installation of apparatus for sanitation; installation of apparatus for ventilating; installation of audio electrical apparatus; installation of automobile accessories; installation of blinds; installation of boilers; installation of burglar alarms; installation of cable television systems; installation of catering equipment; installation of cellular communications systems; installation of cellular paging systems; installation of central heating; installation of central vacuum cleaning systems; installation of communications network apparatus; installation of communications network instruments; installation of computerised information systems; installation of computers; installation of data network apparatus; installation of data processing apparatus; installation of doors; installation of doors and windows; installation of electrical apparatus; installation of fittings for buildings; installation of parts for vehicles; installation of security systems; installation of window coatings; installation of window films; installation of window fittings; installation of window frames; installation of windows; maintenance and repair of electronic installations; maintenance, installation and repair of electrical items and equipment; maintenance, installation and repair of household items and equipment; maintenance, installation and repair of industrial apparatus and instruments; office machines and equipment installation, maintenance and repair; 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; roof installation services; welding (construction, repair and installation services); window installation