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

Industrial analysis and research services; Material testing; Vehicle roadworthiness testing; Analysis for oil-field exploitation; Architectural consultation; Architecture; Evaluation of wool (Quality -); Bacteriological research; Biological research; Geological surveys; Geological research; Provision of scientific information, advice and consultancy in relation to carbon offsetting; Handwriting analysis [graphology]; Urban planning; Chemical research; Chemical analysis; Chemistry services; Cosmetic research; Quality control; Laboratory (Scientific -) services; Land surveying; Surveying; Geological prospecting;  Oil-field surveys; Oil-well testing; Oil prospecting; Cloud seeding; Valuation of standing timber (Quality -); Construction drafting; Weather forecasting; Design of interior decor; Authenticating works of art; Textile testing; Dress designing; Water analysis; Underwater exploration.