37 Construction of telecommunications towers; installation, repair and maintenance of telecommunication machines and apparatus; computer hardware and telecommunications apparatus installation, maintenance and repair; installation of telephone lines; repair or maintenance of telephone apparatus, including mobile telephones and smartphones; installation, repair and maintenance of anti-theft devices for vehicles, of anti-theft warning devices for vehicles, of alarm devices for vehicles, of electric and electronic installations to prevent vehicle theft, of immobilisers for vehicles, of devices and apparatus for locating and remote control of movable electronic apparatus, of measuring, signalling, monitoring and control devices and apparatus, of alarm devices and installations, of fire alarms and of satellite location systems; installation, repair and maintenance of electronic speedometers, electronic odometers, electronic tachometers, speed checking apparatus for vehicles, kilometre recorders for vehicles, speed regulators, electric or electronic sensors for vehicles, proximity sensors, ultrasonic sensors, magnetic sensors and optical sensors; installation, repair and maintenance of presence detectors, movement and movement analysis detectors, battery back-up power supplies, perimeter detection devices, vehicle passenger compartment movement detection devices, glass break detection devices, inclination detection devices, intrusion sensors, tilt sensors, volumetric sensors, level monitor devices and shock sensors; installation, repair and maintenance of sirens, electric steering locks, electric door locks for vehicles, electric door closers, remote control apparatus, electronic keys for vehicles, automatic and remote lock and release systems for vehicle doors, automatic and remote starter systems for vehicles, electronic keyless vehicle access and starter systems, communication apparatus integrated into motorcycle helmets; installation, repair and maintenance of satellite navigational apparatus, GPS apparatus, apparatus for vehicles for determining or signalling location, locations of sites, and travel routes, time, traffic conditions, presence of emergency vehicles and hazard conditions, systems for communication between vehicles and road infrastructures, road marking detection devices, vehicle teleguidance systems and instruments, blind spot and lane changing assistance monitoring systems; installation, repair and maintenance of vehicle on-board computers, on-board electric, electronic or optical equipment for vehicles for directing, signalling, checking, safety and providing information, as well as processing of information and signals, sounds, images and data; installation, repair and maintenance of on-board vehicle diagnostic systems, devices to detect and/or exchange data between a vehicle and a remote unit for security purposes, parking aids, anti-collision radars for vehicles, transmitters, ultrasound wave receivers, obstacle detection devices; installation, repair and maintenance of electric, electronic and optical equipment for detection, signalling and monitoring of static and moving objects around a vehicle; installation, repair and maintenance of parking assistance, reversing and blind spot detection systems and alarms, pre-collision detection and collision avoidance systems; installation, repair and maintenance of in vehicle touch screen computer hardware systems and parts and fittings therefor and devices to detect and/or exchange data between a vehicle and a remote unit for security purposes; remote diagnosis of vehicles, namely, maintenance and repair of vehicle diagnostic electrical equipment prior to installation, repair and maintenance of vehicle structural components