Lightning conductors; gasometers; air analysis apparatus; altimeters; fire extinguishers; X-ray tubes not for medical purposes; eyeglasses; level indicator; photographic slides; height measuring instruments; acid hydrometers; tachometers; audiovisual teaching apparatus, namely, audiovisual receivers, multimedia projectors, overhead projectors, film projectors, and electronic whiteboards; magnifying glasses; optical condensers; calorimeters; antenna parameter measuring apparatus; coordinate measuring instruments; carbon dioxide detectors; passive infrared detectors; radar detectors; electromagnetic measuring detectors; optical lenses; insulation resistance meters; measuring apparatus, namely, laser distance meters; resistance measuring instruments; dial gauges, namely, dial height gauges, dial length gauges; micrometers; slide calipers; thermal imaging cameras; infrared camera; steering apparatus, automatic, for vehicles, namely, computer hardware and operational recorded software for steering vehicles; azimuth instruments; accelerometers; teaching robots; spirit levels; temperature indicator labels, not for medical purposes; surveying instruments; depth gauges; apparatus for analysing gases; actinometers; stroboscopes; barometers; anemometers; meteorological balloons; marine compasses; apparatus for recording distance; surveyors' levels; water level indicators; plumb lines; range finders for cameras; bubble levels; infrared detectors; salinometers; flowmeters; theodolites; electronic devices for measuring electric current; soil sampling equipment, namely, tubular liners or tubular sleeves; levelling rods for surveying; exhaust gas temperature gauges; clinometers; gradient indicators; mercury levels; meteorological instruments; distance measuring apparatus; level measuring machines for surveying; microscopes; hygrometers; wavemeters; ergometers not for medical purposes; electronic apparatus for testing compression, strength, hardness and tensile characteristics of industrial materials; instruments for measuring length; gravity measuring instruments; semiconductor testing apparatus; ultrasonic instrumentation for testing machines; pyrometers; thermometers, not for medical purposes; saccharometers; sulphitometers; speed indicators; temperature indicators; tachometers; viscosimeters; densitometers not for medical use; dosimeters; decompression chambers; automotive testing equipment, namely, handheld diagnostic scanners; measuring spoons; wind pressure gauges; high frequency switches; frequency meters; electrical inductors; ohmmeters; oscillographs; voltmeters; electricity meter; continuity test apparatus for electrical circuits; voltage stabilizers; acidimeters for batteries; hydrometers; alidades; diagnostic apparatus for testing food; telescopes; speed checking apparatus for vehicles; endoscopy cameras for industrial purposes; laser level measuring apparatus; motion detectors; scientific apparatus, namely, spectrometers and parts and fittings therefor; interfaces for detectors; echo sounding devices; electrotechnical vibration meters; screw-thread measuring machines and instruments; test adapters for testing printed circuit boards; test pins for testing printed circuit boards; testing apparatus for testing printed circuit boards; infrared thermometers, not for medical purposes; infrared detection apparatus; remote control telemetering machines and instruments; digital torque gauges; hand-held security wands; photometers; semi-conductors; optical fibres; alcoholmeters; pressure indicator plugs for valves; boiler control instruments; metronomes; densimeters; smoke detectors; magnetic object detectors; radioactivity measuring apparatus; measuring apparatus for temperature and humidity levels in gases and solid substances; tire balancing machines for land vehicles; dual amplifier balancers; rods for water diviners; gas testing instruments; surveying machines and instruments; speedometer tester; manometers; pressure measuring apparatus; pressure indicators; petrol gauges; gas meters; ammeters; automatic indicators of low pressure in vehicle tires; slope indicators; galvanometers; luminoflux meters; flow meters; engine hour meters; dynamometers; water meters; laser measuring systems; cameras; semiconductor testing apparatus; circuit testers; voltage testers; dust measuring apparatus; battery testers; gas flow monitors; electronic equipment for mine detection; directional compasses; electrodes; electric loss indicators