Installation of alarms; Electrical apparatus installation; Electrical installation services; Installation of audio electrical apparatus; Burglar alarm installation and repair; Electric appliance installation and repair; Residential, commercial and industrial installation and repair of electrical and computer wiring and cabling; Television equipment installation and repair; Installation of communications network instruments; Installation of data network apparatus; Installing of electronic communications networks; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer peripherals; Installation, repair and maintenance of clean room facilities and equipment; Maintenance and repair of electronic installations; Provision of information in relation to the repair, maintenance and installation of goods; Installation of cable television systems; Installation of lighting systems; Installation of security systems; Sign construction; Sign maintenance; Sign repair; Sign posting services; Maintenance and servicing of security alarms; Information technology (IT) services (computer and computer peripherals installation and maintenance); Maintenance and servicing of data processing installations; Maintenance and repair of electrical apparatus; Electrical apparatus repair; Electrical wiring services; Cable laying