Aerometers; Altimeters; Ammeters; Anemometers; Barometers; Betatrons; Dynamometers; Galvanometers; Hygrometers; Manometers; Modems; Ohmmeters; Oscillographs; Pyrometers; Radios; Seismographs; Sonar; Switchboards; Telemeters; Videophones; Voltmeters; Air quality measurement apparatus, namely, particle counters; Astronomical spectrographs; Automatic telephone exchanges; Blank USB flash drives; Burglar alarms; Car navigation computers; Carbon dioxide detectors; Cards and microprocessors for computers; Central processing units (CPU); Chronographs for use as specialized time recording apparatuses; Circuit testers; Communications computers; Digital telephones; Directional compasses; Document printers for use with computers; Downloadable computer operating system software; Downloadable electronic newsletters in the field of science  ; Electrical and electronic burglar alarms; Electricity meters; Electro-dynamic apparatus for the remote control of railway points; Electronic chips for the manufacture of integrated circuits; Electronic notice boards; Frequency meters; Gasometers; Hard disk drives (HDD); Induction voltage regulators; Infrared thermometers, not for medical purposes; Instruments for measuring milk quality parameters; Integrated circuits; Internet phones; Laser pointers; Marine compasses; Marine depth finders; Metal detectors; Meteorological instruments; Optical character recognition apparatus; Particle accelerators; Pocket computers for note-taking; Portable computers; Pressure indicator plugs for valves; Printed circuit boards; Printed circuits; Radar apparatus; Range finders for cameras; Recorded computer game software; Recorded computer operating programs; Recorded computer operating software; Satellite aerials; Satellite finder meters; Satellites for scientific purposes; Seismic exploration machines and apparatus; Sensors for measuring distance, chemical levels in aqueous solutions, not for medical use; Smoke alarms; Smoke detectors; Sound level meters; Square rulers for measuring; Surveying instruments; Telephone answering machines; Thread counters; Tyre-pressure measurers; Vehicle drive training simulators; Voltage monitor modules; Voltage regulators; Wind pressure gauges; Wind socks for indicating wind direction