37 Installation, maintenance and repair of telecommunications networks, telecommunications machines, telecommunications apparatus, computer networks, data communications networks, electronic communications networks, telecommunications apparatus and equipment, wireless telecommunications equipment, wireless local area networks, computer hardware, communications network instruments, communication equipment, computer systems, communications systems hardware for computer systems and data network apparatus; diagnostic maintenance services for computers and computer networks; installation, maintenance and repair of hardware and cables for Internet access; installation, repair and maintenance of computers and computer peripherals; installation, maintenance and repair of hardware for data processing apparatus; telecommunication wiring; upgrading of computer hardware; provision of information, consultancy and advisory services in relation to all of the aforesaid services