Information technology and audiovisual equipment; Measuring, detecting and monitoring instruments, indicators and controllers; Navigation, guidance, tracking, targeting and map making devices; Devices for treatment using electricity; Scientific research and laboratory apparatus, educational apparatus and simulators; Recorded content; Safety, security, protection and signalling devices; Audio/visual and photographic devices; Communications equipment; Data collection apparatus; Communications equipment; Point-to-point communications equipment; Transmitting and receiving apparatus for long-distance transmission; Electronic communication installations; Electric communication apparatus.

Building construction; House building; Underwater building and construction; Construction land developing; Civil engineering construction; Building insulating; Services for the rental of machinery for civil engineering; Rental of construction and building equipment; Charitable services, namely construction; Civil engineering relating to water irrigation; Property development services [construction]; Civil engineering [construction] consultancy; Building construction supervision; Building construction supervision; Civil engineering construction; Underground civil engineering services; Services for the construction of buildings; Consultation in building construction supervision; Construction supervision of civil engineering projects; Installation of building automation equipment; Construction of foundations for civil engineering structures; Building inspection [in the course of building construction]; Construction supervision for building projects; Construction, repair, maintenance and installation; Building construction supervision services for real estate projects; On-site construction supervision of civil engineering works; Construction of civil engineering structures by laying concrete; Advisory services relating to the installation of building automation equipment; Plant maintenance; Computer maintenance services; Lift maintenance; Maintenance of property; Sign maintenance; Maintenance of roads; Pipeline maintenance; Maintenance of automata; Maintenance of buildings; Ship maintenance; Furniture maintenance; Window maintenance; Maintenance of aquariums; Swimming-pool maintenance; Maintenance of medical equipment; Maintenance of domestic refrigeration; Maintenance of catering equipment; Sewer pipe maintenance; Maintenance of plumbing; Maintenance of railway track; Office equipment maintenance; Office equipment maintenance; Maintenance of typewriters; Maintaining septic systems; Maintenance of cleaning machines; Maintenance of electronic apparatus; Maintenance of industrial machinery; Maintenance of telecommunications apparatus; Maintenance of communications equipment; Swimming-pool maintenance; Pipeline construction and maintenance; Maintenance and repair of pipelines; Building maintenance and repair; Computer maintenance services; Repair or maintenance of electric motors; Building maintenance and repair; Maintenance and repair of lifts; Maintenance and repair of lifts; Pump repair or maintenance; Maintenance and repair of heating; Repair or maintenance of boilers; Services for the maintenance of strong rooms; Repair or maintenance of vessels; Maintenance of pneumatic hand tools; Maintenance of computer hardware; Maintenance of commercial electrical systems; Maintenance and repair of storage tanks; Maintenance and repair of storage tanks; Maintenance of data communication networks; Film projector repair and maintenance; Repair or maintenance of computers; Safe maintenance or repair; Strong-room maintenance and repair; Maintenance of consumer electric appliances; Maintenance of non-electric cooking heaters; Maintenance and repair of instruments; Maintenance and repair of instruments; Maintenance of fire alarm installations; Repair and maintenance of boats; Maintenance and repair of compressors; maintenance and repair of yachts; Maintenance of electronic or air conditioning systems; Maintenance and repair of computer networks; Maintaining and repair of roof guttering; Rental and maintenance of work platforms; Maintenance and repair of pipeline systems; Maintaining and repair of drain pipes; Installation, repair and maintenance of condensing apparatus; Machinery installation, maintenance and repair; Maintenance and repair of building contents; Repair or maintenance of industrial furnaces; Repair or maintenance of milking machines; Repair or maintenance of conveyors; Installation and maintenance of irrigation systems; Maintenance and repair of heating; Repair or maintenance of fire alarms; Maintenance and repair of communications systems; Maintenance of data-processing terminals; Maintenance and servicing of security alarms; Repair or maintenance of power generators; Maintenance and repair of gas turbines; Plumbing installation, maintenance and repair; Maintenance of data processing apparatus; Maintenance of water purifying apparatus; Maintenance and repair of electronic apparatus; Repair and maintenance of electronic installations; Repair and maintenance of mining equipment; Repair and maintenance of commercial buildings; Repair and maintenance of residential buildings; Repair or maintenance of power generators; Maintenance and repair agricultural machines; Maintenance and servicing of fire alarm systems; Installation, repair and maintenance of air reheaters; Installation, repair and maintenance of steam condensers; Installation and maintenance of solar thermal installations; Repair or maintenance of gas water heaters; Repair or maintenance of construction equipment; Furniture restoration, repair and maintenance; Maintenance of welding machines and equipment; repair or maintenance of vacuum pumps; Repair or maintenance of signboards; Office machines and equipment installation, maintenance and repair; Maintenance and repair of data communications networks; Repair or maintenance of industrial washing machines; Maintenance and repair of computer hardware; Repair or maintenance of railway rolling stock; Maintenance, servicing, tuning and repair of motors and engines; Repair or maintenance of mechanical parking systems; Repair and maintenance of ventilating apparatus; Repair or maintenance of consumer electric appliances; Repair and maintenance of refrigerating apparatus; Repair and maintenance of air-conditioning apparatus; Repair and maintenance of drying apparatus; Repair and maintenance of heating apparatus; Renovation, repair and maintenance of electrical wiring; Maintenance of water pollution control equipment; Maintenance and repair of cargo holds; Coating services for the maintenance of marine engineering plant; Coating services for the maintenance of industrial engineering plant; Repair or maintenance of testing machines and instruments; Repair or maintenance of measuring machines and instruments; Repair or maintenance of glassware manufacturing machines and apparatus; Repair or maintenance of painting machines and apparatus; Repair or maintenance of laboratory apparatus and instruments; Repair or maintenance of gasoline station equipment; Repair or maintenance of freezing machines and apparatus; Repair or maintenance of water purifying apparatus; Repair or maintenance of water purifying apparatus; Repair or maintenance of vehicle washing installation; Repair or maintenance of electric lighting apparatus; Installation, repair and maintenance of boiler tubes; Repair or maintenance of textile machines and apparatus; Repair or maintenance of office machines and apparatus; Repair or maintenance of mining machines and apparatus; Repair or maintenance of cooking pots and pans; Repair or maintenance of amusement machines and apparatus; Repair or maintenance of cooking apparatus for industrial purposes; Repair or maintenance of telecommunication machines and apparatus; Repair and maintenance of buildings in case of demolition; Repair or maintenance of optical machines and instruments; Repair and maintenance of axles and parts therefor; Installation, maintenance and repair of broadcasting apparatus; Repair and maintenance of dust extraction apparatus; Repair and maintenance of earthmoving equipment; repair and maintenance of earth moving machines; Repair and maintenance of wave energy power plants; Repair and maintenance of road making equipment; Repair and maintenance of road making machines; Repair and maintenance of gas and electricity installations; Repair or maintenance of cooking apparatus and installations; Repair and maintenance of presses for processing metals; repair and maintenance of energy generating installations; Repair or maintenance of electronic machines and apparatus; Installation, repair and maintenance of heating equipment; Advisory services relating to the maintenance of buildings; Maintenance and repair of pipes used in industrial equipment; Repair or maintenance of water pollution control equipment; Repair or maintenance of cultivating machines and implements; Maintenance and repair of parts and fittings for buildings; Repair or maintenance of machines and apparatus for lumbering; Maintenance and repair of parts and fittings for boats; Repair or maintenance of power-driven floor cleaning machines; Repair or maintenance of industrial dish washing machines; Alarm, lock and safe installation, maintenance and repair; Lift and elevator installation, maintenance and repair; Repair and maintenance of cooling apparatus and installations; Maintenance, servicing and repair of household and kitchen appliances; Repair and maintenance of sports and fitness equipment; Repair and maintenance of computer and telecommunications hardware; Repair and maintenance of medical instruments, apparatus and equipment; Repair or maintenance of electric cooking apparatus and installations; Repair or maintenance of non-electric cooking apparatus and installations; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Maintenance and repair of telecommunications networks, apparatus, and instruments; Plumbing maintenance advisory services; Information services relating to maintenance of security systems; Advisory services relating to the maintenance of slip gauges; Advisory services relating to the maintenance of fixings; Repair or maintenance of machines and apparatus for processing beverages; Repair or maintenance of machines and apparatus for paper-working; Installation, repair and maintenance radiators for motors and engines; Repair or maintenance of waste crushing machines and apparatus; Repair or maintenance of machines and apparatus for papermaking; Repair or maintenance of printing or bookbinding machines and apparatus; Repair or maintenance of plastic processing machines and apparatus; Repair or maintenance of machines and apparatus for woodworking; Repair or maintenance of packing or wrapping machines and apparatus; Repair or maintenance of metalworking machines and tools; Repair or maintenance of machines and apparatus for processing foods; Repair or maintenance of waste compacting machines and apparatus; Repair or maintenance of semiconductor manufacturing machines and systems; Installation, repair and maintenance of computers and computer peripherals; Glazing, installation, maintenance and repair of glass, windows and blinds; Vehicle service, repair, maintenance and refuelling; Repair and maintenance of gymnastic and sporting articles; Advisory services relating to the maintenance of slip gauges; Providing of information relating to the repair or maintenance of burners; Providing of information relating to the maintenance and repair of safes; Providing of information relating to the repair or maintenance of vessels; Providing of information relating to the repair or maintenance of pumps; Providing of information relating to the repair or maintenance of furnaces; Providing of information relating to the repair or maintenance of storage tanks; Repair or maintenance of integrated circuits manufacturing machines and systems; Repair or maintenance of loading-unloading machines and apparatus; Maintenance and repair of systems incorporating hoses which convey fluid; Repair and maintenance of feed or booster pumps; Repair and maintenance of building scaffolds, working and building platforms; Repair or maintenance of plant fiber processing machines and implements; Computer hardware and telecommunication apparatus installation, maintenance and repair; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Repair and maintenance of hardware for data processing apparatus; Maintenance, servicing and repair of power generating apparatus and installations; Installation, repair and maintenance of cleanroom facilities and equipment; Advisory services relating to the maintenance of environmental control systems; Providing of information relating to the repair or maintenance of fire alarms; Providing of information relating to the repair or maintenance of electric motors and engines; Providing of information relating to the repair or maintenance of sewing machines; Providing of information relating to the construction, repair and maintenance of buildings; Providing of information relating to the repair or maintenance of sporting equipment; Providing of information relating to the repair or maintenance of boilers; Providing of information relating to the repair or maintenance of industrial furnaces; Providing information relating to repair or maintenance of printing machinery; Providing of information relating to the repair or maintenance of bathtubs; Providing of information relating to the repair or maintenance of cooking apparatus; Providing of information relating to the repair or maintenance of signboards; provision of information regarding repair or maintenance of power generators; Providing of information relating to the repair or maintenance of vending machines; providing information related to repair or maintenance of railway rolling stock; Repair or maintenance of power distribution or control machines and apparatus; Providing of information relating to the repair or maintenance of industrial washing machines; Providing of information relating to the repair or maintenance of mechanical parking systems; Providing of information relating to the repair or maintenance of consumer electrical appliances; Providing of information relating to the repair or maintenance of gas water heaters; Providing of information relating to the repair or maintenance of air-conditioning apparatus; Repair or maintenance of machines and apparatus for processing foodstuffs or beverages; Repair or maintenance of rubber-goods manufacturing machines and apparatus; Providing of information relating to the repair or maintenance of agricultural machines and implements; Providing of information relating to the repair or maintenance of mining machines and apparatus; Providing of information relating to the repair or maintenance of office machines and apparatus; Providing of information relating to the repair or maintenance of photographic machines and apparatus; Consultancy relating to the maintenance and repair of mechanical and electrical equipment; Providing of information relating to the repair or maintenance of optical machines and instruments; Providing of information relating to the repair or maintenance of tobacco-processing machines; Providing of information relating to the repair or maintenance of gasoline station equipment; Providing of information relating to the repair or maintenance of water purifying apparatus; Providing information relating to repair or maintenance of telecommunication machines and apparatus; Providing of information relating to the repair or maintenance of bookbinding apparatus and machines; Providing information relating to the repair or maintenance of freezing machines and apparatus; Providing of information relating to the repair or maintenance of textile machines and apparatus; Providing information relating to the repair or maintenance of medical machines and apparatus; Providing of information relating to the repair or maintenance of bicycle parking apparatus; Providing of information relating to the repair or maintenance of electric lighting apparatus; Providing of information relating to the repair or maintenance of laboratory apparatus and instruments; Providing of information relating to the repair or maintenance of cooking apparatus and installations; Providing of information relating to the repair or maintenance of construction machines and apparatus; Repair and maintenance of machines and machine tools for treating and processing metals; Providing of information relating to the repair or maintenance of machines and apparatus for processing foodstuffs or beverages; Providing of information relating to the repair or maintenance of machines and systems for manufacturing integrated circuits; Providing of information relating to the repair or maintenance of waste compacting machines and apparatus; Providing of information relating to the repair or maintenance of waste crushing machines and apparatus; Providing of information relating to the repair or maintenance of plastic processing machines and apparatus; Providing of information relating to the repair or maintenance of machines and apparatus for manufacturing glassware; Providing of information relating to the repair or maintenance of metalworking machines and tools; Providing of information relating to the repair or maintenance of machines and systems for producing semi-conductors; Providing of information relating to the repair or maintenance of packing or wrapping machines and apparatus; Providing of information relating to the repair or maintenance of industrial dishwashing machines; Providing of information relating to the repair or maintenance of amusement machines and apparatus; Providing of information relating to the repair or maintenance of chemical processing machines and apparatus; Providing of information relating to the repair or maintenance of water pollution control equipment; Providing of information relating to the repair or maintenance of electric cooking apparatus and installations; Providing of information relating to the repair and maintenance of non-electric cooking apparatus and installations; Providing of information relating to the repair or maintenance of painting machines and apparatus; Consultation in building construction supervision; Advice relating to preventing blockages in plumbing lines.