Computer Software

Education; Providing of Training

Buildings, materials, elements and components all for use in buildings ( all being non-metallic materials); parts and fittings for all the aforesaid goods.

Marketing of property and real estate.

Advertising; business management; business administration; office functions; information with regard to public relations; business organisation consultancy; arranging exhibitions, trade fairs and other events for commercial or advertising purposes; logistic consultancy and planning relating to business organisation; devising projects for business organisation; commercial project management; advertising mail; procurement of services for others; economic forecasting; shop-window dressing; assistance in the management of business and of commercial and industrial enterprises; cost-price analysis; marketing research and studies; sales promotion (for others); public relations; import-export agencies; retail trade in the field of chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry, unprocessed artificial resins, unprocessed plastics, manures, fire extinguishing compositions, tempering and soldering preparations, chemical substances for preserving foodstuffs, tanning substances, adhesives used in industry, paints, varnishes, lacquers, preservatives against rust and against deterioration of wood, colorants, mordants, raw natural resins, metals in foil and powder form for painters, decorators, printers and artists, bleaching preparations and other substances for laundry use, cleaning, polishing, scouring and abrasive preparatons, soaps, perfumery, essential oils, cosmetics, hair lotions, dentifrices, industrial oils and greases, lubricants, dust absorbing, wetting and binding compositions, fuels (including motor spirit) and illuminants, candles, wicks for lighting, pharmaceutical and veterinary preparations, sanitary preparations for medical purposes, dietetic substances adapted for medical use, foods for babies, plasters, materials for dressings, materials for stopping teeth, dental wax, disinfectants, preparations for destroying vermin, fungicides and herbicides, common metals and their alloys, metal building materials, transportable buildings of metal, materials of metal for railway tracks, non-electric cables and wires of common metal, ironmongery, small items of metal hardware, pipes and tubes of metal, safes, goods of common metal, ores, machines and machines tools, motors and engines (except for land vehicles), machine coupling and transmission components (except for land vehicles), agricultural implements, other than hand-operated, incubators for eggs, hand tools and implements, hand operated, cutlery, side arms, razors, scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching and apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission and reproduction of sound or images, magnetic data carriers, recording discs, automatic vending machines and mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment and computers, fire-extinguishing apparatus, surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth, orthopaedic articles, suture materials, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, vehicles, apparatus for locomotion by land, air or water, firearms, ammunition and projectiles, explosives, fireworks, precious metals and their alloys and goods in precious metals or coated therewith, jewellery, precious stones, horological and chronometric instruments, musical instruments, paper, cardboard and goods made from these materials, printed matter, book binding material, photographs, stationery, adhesives for stationery or household purposes, artists' materials, paint brushes, typewriters and office requisites (except furniture), instructional and teaching materials (except apparatus), plastic materials for packaging, printer's type, printing blocks, rubber, gutta-percha, gum, asbestos, mica and goods made of these materials, plastics in extruded form for use in manufacture, packing, stopping and insulating materials, flexible pipes not of metal, leather and imitations of leather and goods made of these materials, animal skins, hides, trunks and travelling bags, umbrellas, parasols and walking sticks, whips, harnesses and saddlery, building materials, non-metal, non-metallic rigid pipes for building, asphalt, pitch and bitumen, transportable buildings, monuments, not of metal, furniture, mirrors, picture frames, goods of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics, household or kitchen utensils and containers, combs and sponges, brushes (except paint brushes), brush-making materials, articles for cleaning purposes, steelwool, unworked or semi-worked glass (except glass used in building), glassware, porcelain and earthenware, ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags, padding and stuffing materials (except of rubber or plastics), raw fibrous textiles materials, yarns and threads, for textile use, textiles and textile goods, bed and table covers, clothing, footwear, headgear, lace and embroidery, ribbons and braid, buttons, hooks and eyes, pins and needles, artificial flowers, carpets, rugs, mats and matting, linoleum and other materials for covering existing floors, wall hangings, non-textile, games, playthings, gymnastic and sporting articles, decorations for Christmas trees, meat, fish, poultry and game, meat exctracts, preserved, frozen, dried and cooked fruits and vegetables, jellies, jams, compotes, eggs, milks and milk products, edible oils and fats, coffee, tea, cocoa, sugar, rice, tapioca, sago, artificial coffee, flour and preparations made from cereals, bread, pastry and confectionery, ices, honey, treacle, yeast, baking-powder, salt, mustard, vinegar, sauces (condiments), spices, ice, agricultural, horticultural and forestry products and grains, live animals, fresh fruits and vegetables, seeds, natural plants and flowers, foodstuffs for animals, malt, beers, mineral and aerated waters and other non-alcoholic drinks, fruit drinks and fruit juices, syrups and other preparations for making beverages, alcoholic beverages (except beers), tobacco, smokers´articles, matches; business management of shopping centres.

Real estate affairs; trust and real estate management; real estate appraisal and leasing of real estate; financial affairs including financial consultancy, devising projects for financing and financial project management; providing financing and credit; rental of real estate, including offices, apartments and trading rooms; mutual funds; loans; monetary and financial affairs; insurance brokerage; factoring; financial management of shopping centres.

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Apparatus for recording, transmission or reproduction of sound or images; Magnetic data carriers, recording discs; Compact discs, DVDs and other digital recording media; Mechanisms for coin-operated apparatus; Cash registers, calculating machines, data processing equipment, computers; Computer software; Fire-extinguishing apparatus; Abacuses; Accounting machines; Accumulators, electric; Acid hydrometers; Acidimeters for batteries; Acoustic conduits; Acoustic couplers; Actinometers; Adding machines; Aerials; Aerometers; Agendas (Electronic -); Air analysis apparatus; Alarm bells, electric; Alarms; Alcoholmeters; Alidades; Altimeters; Ammeters; Amplifiers; Amplifying tubes; Anemometers; Animated cartoons; Anode batteries; Anodes; Answering machines; Anti-glare glasses; Anti-glare visors; Anti-interference devices [electricity]; Anti-theft warning apparatus; Anticathodes; Apertometers [optics]; Armatures [electricity]; Asbestos clothing for protection against fire; Asbestos gloves for protection against accidents; Asbestos screens for firemen; Astronomy (Apparatus and instruments for -); Audiovisual teaching apparatus; Automated teller machines [ATM]; Azimuth instruments; Balances [steelyards]; Balancing apparatus; Bar code readers; Barometers; Batteries, electric; Batteries, electric, for vehicles; Batteries for lighting; Battery boxes; Battery chargers; Battery jars; Beacons, luminous; Bells [warning devices]; Betatrons; Binoculars; Blinkers [signalling lights]; Blueprint apparatus; Boiler control instruments; Branch boxes [electricity]; Breathing apparatus, except for artificial respiration; Breathing apparatus for underwater swimming; Buzzers; Cabinets for loudspeakers; Cables, electric; Calculating disks; Calculating machines; Calibrating rings; Calipers; Camcorders; Cameras [photography]; Capacitors; Capillary tubes; Carpenters' rules; Carriers for dark plates [photography]; Cases especially made for photographic apparatus and instruments; Cases fitted with dissecting instruments [microscopy]; Cash registers; Cassette players; Cathodes; Cathodic anti-corrosion apparatus; Cell phone straps; Centering apparatus for photographic transparencies; Central processing units [processors]; Chargers for electric batteries; Chemistry apparatus and instruments; Chips [integrated circuits]; Choking coils [impedance]; Chromatography apparatus for laboratory use; Chronographs [time recording apparatus]; Cinematographic cameras; Cinematographic film, exposed; Circuit breakers; Circuit closers; Cleaning apparatus for phonograph records; Clinometers; Clothing especially made for laboratories; Clothing for protection against accidents, irradiation and fire; Clothing for protection against fire; Coaxial cables; Coils, electric; Coin-operated apparatus (Mechanisms for -); Coin-operated mechanisms for television sets; Collectors, electric; Commutation (Electric apparatus for -); Commutators; Compact disc players; Compact discs [audio-video]; Compact discs [read-only memory]; Comparators; Compasses (Directional -); Compasses [measuring instruments]; Computer game programs; Computer keyboards; Computer memory devices; Computer operating programs, recorded; Computer peripheral devices; Computer programmes [programs], recorded; Computer programs [downloadable software]; Computer software, recorded; Computers; Conductors, electric; Connections for electric lines; Connectors [electricity]; Contact lenses; Contacts, electric; Containers for contact lenses; Containers for microscope slides; Control panels [electricity]; Converters, electric; Copper wire, insulated; Correcting lenses [optics]; Cosmographic instruments; Counter-operated apparatus (Mechanisms for -); Couplers [data processing equipment]; Couplings, electric; Covers for electric outlets; Crash test dummies; Cupels [laboratory]; Current rectifiers; Cyclotrons; Darkroom lamps [photography]; Darkrooms [photography]; Data processing apparatus; Decompression chambers; Demagnetizing apparatus for magnetic tapes; Densimeters; Densitometers; Detectors; Diagnostic apparatus, not for medical purposes; Diaphragms [acoustics]; Diaphragms for scientific apparatus; Diaphragms [photography]; Dictating machines; Diffraction apparatus [microscopy]; Discharge tubes, electric, other than for lighting; Disk drives for computers; Disks, magnetic; Distance measuring apparatus; Distance recording apparatus; Distillation apparatus for scientific purposes; Distribution boards [electricity]; Distribution boxes [electricity]; Distribution consoles [electricity]; Divers' masks; Diving suits; DNA chips; Dog whistles; Dosimeters; Downloadable image files; Downloadable music files; Downloadable ring tones for mobile phones; Drainers for use in photography; Dressmakers' measures; Drying apparatus for photographic prints; Drying racks [photography]; Ducts [electricity]; DVD players; Dynamometers; Ear plugs for divers; Editing appliances for cinematographic films; Egg-candlers; Electric door bells; Electric installations for the remote control of industrial operations; Electric loss indicators; Electricity conduits; Electricity mains (Materials for -) [wires, cables]; Electrified fences; Electrified rails for mounting spot lights; Electro-dynamic apparatus for the remote control of railway points; Electro-dynamic apparatus for the remote control of signals; Electrolysers; Electromagnetic coils; Electronic notice boards; Electronic pens [visual display units]; Electronic pocket translators; Electronic publications, downloadable; Electronic tags for goods; Encoded identification bracelets, magnetic; Encoded magnetic cards; Enlarging apparatus [photography]; Epidiascopes; Ergometers; Exposure meters [light meters]; Extinguishers; Eyeglass cases; Eyeglass chains; Eyeglass cords; Eyeglass frames; Eyepieces; Eyepieces (Instruments containing -); Facsimile machines; False coin detectors; Fermentation (Apparatus for -) [laboratory apparatus]; Fibre [fiber (Am)] optic cables; Film cutting apparatus; Films, exposed; Filters for respiratory masks; Filters for ultraviolet rays, for photography; Filters [photography]; Fire alarms; Fire beaters; Fire blankets; Fire boats; Fire engines; Fire escapes; Fire hose; Fire hose nozzles; Flash-bulbs [photography]; Flashlights [photography]; Floppy disks; Fluorescent screens; Fog signals, non-explosive; Food analysis apparatus; Frames for photographic transparencies; Franking (Apparatus to check -); Frequency meters; Furniture especially made for laboratories; Fuse wire; Fuses; Galena crystals [detectors]; Galvanic batteries; Galvanic cells; Galvanometers; Garments for protection against fire; Gas testing instruments; Gasometers [measuring instruments]; Gauges; Glass covered with an electrical conductor; Glazing apparatus for photographic prints; Global Positioning System [GPS] apparatus; Gloves for divers; Gloves for protection against accidents; Gloves for protection against X-rays for industrial purposes; Goggles for sports; Grids for batteries; Hands free kits for phones; Head cleaning tapes [recording]; Headphones; Heat regulating apparatus; Heliographic apparatus; Hemline markers; High-frequency apparatus; Holders for electric coils; Holograms; Horns for loudspeakers; Hourglasses; Hydrometers; Hygrometers; Identification sheaths for electric wires; Identification threads for electric wires; Identity cards, magnetic; Igniting apparatus, electric, for igniting at a distance; Incubators for bacteria culture; Inductors [electricity]; Integrated circuit cards [smart cards]; Integrated circuits; Intercommunication apparatus; Interfaces for computers; Inverters [electricity]; Invoicing machines; Ionization apparatus not for the treatment of air or water; Jigs [measuring instruments]; Juke boxes for computers; Juke boxes, musical; Junction boxes [electricity]; Junction sleeves for electric cables; Knee-pads for workers; Laboratory centrifuges; Laboratory trays; Lactodensimeters; Lactometers; Laptop computers; Lasers, not for medical purposes; Leather (Appliances for measuring the thickness of -); Lens hoods; Lenses for astrophotography; Letter scales; Levelling instruments; Levels [instruments for determining the horizontal]; Life belts; Life buoys; Life jackets; Life nets; Life saving apparatus and equipment; Life-saving rafts; Light conducting filaments [optical fibers fibres]; Light dimmers [regulators], electric; Light-emitting diodes [LED]; Light-emitting electronic pointers; Lighting ballasts; Lightning arresters; Limiters [electricity]; Locks, electric; Logs [measuring instruments]; Loudspeakers; Magic lanterns; Magnetic data media; Magnetic encoders; Magnetic tape units for computers; Magnetic tapes; Magnetic wires; Magnets; Magnets (Decorative -); Magnifying glasses [optics]; Manometers; Marine compasses; Marine depth finders; Marking buoys; Marking gauges [joinery]; Masts for wireless aerials; Material testing instruments and machines; Mathematical instruments; Measures; Measuring apparatus; Measuring devices, electric; Measuring glassware; Measuring instruments; Measuring spoons; Mechanical signs; Megaphones; Mercury levels; Metal detectors for industrial or military purposes; Meteorological balloons; Meteorological instruments; Meters; Metronomes; Micrometer screws for optical instruments; Micrometers; Microphones; Microprocessors; Microscopes; Microtomes; Milage recorders for vehicles; Mirrors for inspecting work; Mirrors [optics]; Modems; Money counting and sorting machines; Monitoring apparatus, electric; Monitors [computer hardware]; Monitors [computer programs]; Motor fire engines; Mouse [data processing equipment]; Mouse pads; Nautical apparatus and instruments; Naval signalling apparatus; Navigation apparatus for vehicles [on-board computers]; Navigational instruments; Neon signs; Nets for protection against accidents; Nose clips for divers and swimmers; Notebook computers; Objectives [lenses] optics; Observation instruments; Octants; Ohmmeters; Optical apparatus and instruments; Optical character readers; Optical condensers; Optical data media; Optical discs; Optical glass; Optical goods; Optical lamps; Optical lenses; Oscillographs; Ovens for laboratory use; Oxygen transvasing apparatus; Ozonisers [ozonators]; Parking meters; Particle accelerators; Pedometers; Peepholes [magnifying lenses] for doors; Periscopes; Personal stereos; Petrol gauges; Phonograph records; Photocopiers [photographic, electrostatic, thermic]; Photometers; Phototelegraphy apparatus; Photovoltaic cells; Physics (Apparatus and instruments for -); Pince-nez; Pipettes; Plane tables [surveying instruments]; Planimeters; Plates for batteries; Plotters; Plugs, sockets and other contacts [electric connections]; Plumb bobs; Plumb lines; Pocket calculators; Polarimeters; Portable media players; Portable telephones; Precision balances; Precision measuring apparatus; Pressure indicator plugs for valves; Pressure indicators; Pressure measuring apparatus; Printed circuit boards; Printed circuits; Printers for use with computers; Prisms [optics]; Probes for scientific purposes; Projection apparatus; Projection screens; Protection devices against X-rays, not for medical purposes; Protection devices for personal use against accidents; Protective helmets; Protective helmets for sports; Protective masks; Protective suits for aviators; Protractors [measuring instruments]; Punched card machines for offices; Push buttons for bells; Pyrometers; Quantity indicators; Radar apparatus; Radio pagers; Radiological apparatus for industrial purposes; Radiology screens for industrial purposes; Radios; Radiotelegraphy sets; Radiotelephony sets; Railway traffic safety appliances; Readers [data processing equipment]; Receivers (Audio-- and video- -); Record player needles (Apparatus for changing -); Record players; Reducers [electricity]; Reflecting discs for wear, for the prevention of traffic accidents; Refractometers; Refractors; Regulating apparatus, electric; Relays, electric; Remote control apparatus; Resistances, electric; Respirators for filtering air; Respirators, other than for artificial respiration; Resuscitation mannequins [teaching apparatus]; Retorts; Retorts' stands; Revolution counters; Rheostats; Riding helmets; Road signs, luminous or mechanical; Rods for water diviners; Rods [surveying instruments]; Rulers [measuring instruments]; Rules [measuring instruments]; Saccharometers; Safety restraints, other than for vehicle seats and sports equipment; Safety tarpaulins; Salinometers; Satellite navigational apparatus; Satellites for scientific purposes; Scales; Scanners [data processing equipment]; Screens for photoengraving; Screens [photography]; Screw-tapping gauges; Semi-conductors; Sextants; Sheaths for electric cables; Shoes for protection against accidents, irradiation and fire; Shutter releases [photography]; Shutters [photography]; Sighting telescopes for firearms; Signal bells; Signal lanterns; Signalling buoys; Signalling panels, luminous or mechanical; Signalling whistles; Signals, luminous or mechanical; Signs, luminous; Simulators for the steering and control of vehicles; Sirens; Skins (Apparatus for measuring the thickness of -); Slide calipers; Slide projectors; Slide-rules; Slides [photography]; Smoke detectors; Socks, electrically heated; Solar batteries; Solderers' helmets; Solenoid valves [electromagnetic switches]; Sonars; Sound alarms; Sound locating instruments; Sound recording apparatus; Sound recording carriers; Sound recording strips; Sound reproduction apparatus; Sound transmitting apparatus; Sounding apparatus and machines; Sounding leads; Sounding lines; Spark-guards; Speaking tubes; Spectacle cases; Spectacle frames; Spectacle glasses; Spectacles [optics]; Spectrograph apparatus; Spectroscopes; Speed checking apparatus for vehicles; Speed indicators; Speed measuring apparatus [photography]; Speed regulators for record players; Spherometers; Spirit levels; Spools [photography]; Sprinkler systems for fire protection; Stage lighting regulators; Stands for photographic apparatus; Starter cables for motors; Steering apparatus, automatic, for vehicles; Step-up transformers; Stereoscopes; Stereoscopic apparatus; Stills for laboratory experiments; Styli for record players; Sulphitometers; Sunglasses; Surveying apparatus and instruments; Surveying chains; Surveying instruments; Surveyors' levels; Switchboards; Switchboxes [electricity]; Switches, electric; Tachometers; Tape recorders; Taximeters; Teaching apparatus; Teeth protectors; Telegraph wires; Telegraphs [apparatus]; Telemeters; Telephone apparatus; Telephone receivers; Telephone transmitters; Telephone wires; Teleprinters; Teleprompters; Telerupters; Telescopes; Television apparatus; Temperature indicators; Terminals [electricity]; Test tubes; Testing apparatus not for medical purposes; Theft prevention installations, electric; Theodolites; Thermionic tubes; Thermometers, not for medical purposes; Thermostats; Thermostats for vehicles; Ticket dispensers; Time clocks [time recording devices]; Time recording apparatus; Time switches, automatic; Tires (Automatic indicators of low pressure in vehicle -); Tone arms for record players; Totalizators; Traffic-light apparatus [signalling devices]; Transformers [electricity]; Transistors [electronic]; Transmitters of electronic signals; Transmitters [telecommunication]; Transmitting sets [telecommunication]; Transponders; Triodes; Tripods for cameras; Urinometers; USB flash drives; Vacuum gauges; Vacuum tubes [radio]; Variometers; Vehicle breakdown warning triangles; Vehicle radios; Verniers; Vests (Am) Bullet-proof -; Video cassettes; Video game cartridges; Video recorders; Video screens; Video telephones; Videotapes; Viewfinders, photographic; Viscosimeters; Voltage regulators for vehicles; Voltage surge protectors; Voltmeters; Voting machines; Wafers [silicon slices]; Waling glasses; Walkie-talkies; Washing trays [photography]; Water level indicators; Wavemeters; Weighbridges; Weighing apparatus and instruments; Weighing machines; Weights; Whistle alarms; Wind socks for indicating wind direction; Wire connectors [electricity]; Wires, electric; Word processors; Workmen's protective face-shields; Wrist rests for use with computers; X-ray apparatus not for medical purposes; X-ray films, exposed; X-ray photographs, other than for medical purposes; X-ray tubes not for medical purposes; X-rays producing apparatus and installations, not for medical purposes; Scales; barcode scanners; barcode printers; hand terminals; biometric fingerprint readers.

Building construction; Repair; Installation services; Air conditioning apparatus installation and repair; Airplane maintenance and repair; Anti-rust treatment for vehicles; Artificial snow-making services; Asphalting; Boiler cleaning and repair; Bricklaying; Building construction supervision; Building insulating; Building of fair stalls and shops; Building sealing; Burglar alarm installation and repair; Burner maintenance and repair; Cabinet making [repair]; Car wash; Carpentry services; Chimney sweeping; Cleaning machines (Rental of -); Cleaning of buildings [exterior surface]; Cleaning of buildings [interior]; Cleaning of clothing; Clock and watch repair; Clothing repair; Computer hardware (Installation, maintenance and repair of -); Construction; Construction consultation; Construction information; Demolition of buildings; Diaper cleaning; Disinfecting; Drilling of deep oil or gas-wells; Drilling of wells; Dry cleaning; Electric appliance installation and repair; Factory construction; Film projector repair and maintenance; Fire alarm installation and repair; Freezing equipment installation and repair; Fur care, cleaning and repair; Furnace installation and repair; Furniture maintenance; Furniture restoration; Greasing (Vehicle -); Harbour construction; Heating equipment installation and repair; Installation of doors and windows; Interference suppression in electrical apparatus; Irrigation devices installation and repair; Kitchen equipment installation; Knife sharpening; Laundering; Leather care, cleaning and repair; Lift installation and repair; Linen ironing; Machinery installation, maintenance and repair; Masonry; Mending clothing; Mining extraction; Motor vehicle maintenance and repair; Office machines and equipment installation, maintenance and repair; Painting, interior and exterior; Parasol repair; Photographic apparatus repair; Pier breakwater building; Pipeline construction and maintenance; Plastering; Plumbing; Pressing of clothing; Pumicing; Pump repair; Quarrying services; Rat exterminating; Re-tinning; Rebuilding engines that have been worn or partially destroyed; Rebuilding machines that have been worn or partially destroyed; Refilling of toner cartridges; Renovation of clothing; Rental of bulldozers; Rental of construction equipment; Rental of cranes [construction equipment]; Rental of excavators; Rental of road sweeping machines; Repair information; Repair of security locks; Restoration of musical instruments; Restoration of works of art; Riveting; Road paving; Roofing services; Rustproofing; Safe maintenance and repair; Sanding; Scaffolding; Shipbuilding; Shoe repair; Signs (Painting or repair of -); Street cleaning; Strong-room maintenance and repair; Swimming-pool maintenance; Telephone installation and repair; Tires (Retreading of -); Umbrella repair; Underwater construction; Underwater repair; Upholstering; Upholstery repair; Varnishing; Vehicle breakdown assistance [repair]; Vehicle cleaning; Vehicle maintenance; Vehicle polishing; Vehicle service stations [refuelling and maintenance]; Vehicle wash; Vermin exterminating, other than for agriculture; Vulcanization of tires [tyres] repair; Wallpapering; Warehouse construction and repair; Washing; Washing of linen; Window cleaning.

Publication of music books.

Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; measurement and control devices and instruments for power consumption; data processing equipment and computers; software, also downloadable.

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, all being electric.