9 Mathematical instruments in the nature of calculators; computer aided design (CAD) software for general use; scientific laboratory apparatus and instruments for detecting or measuring DNA, RNA or other proteins; photographic apparatus and instruments, namely, microscopes, lenses for microscopes, surveillance cameras, camera lenses; cinematographic machines and apparatus; optical machines and apparatus, namely, optical scanners; prisms for optical purposes; optical lenses; optical communications instruments and components, namely, communication link testers using light sources for measuring optical communication; optical power meters; optical wavelength meters; optical spectrum analyzers; devices in the nature of converters for converting an optical signal to an electrical signal; devices for converting an electrical signal to an optical signal, namely, converters; optical time domain reflectmeters (OTDRs); electronic analyzers for measuring wavelength dispersion; electronic analyzers for measuring polarization mode dispersion; temperature indicators; thermometers, not for medical use; pressure gauges; level indicators; acoustic meters; tachometers; refractometers; luminoflux meters; actinometers; hygrometers; illuminometers; vibration meters; noisemeters; speed indicators; calorimeters; dynamometers; flowmeters; calibrators for measuring machines and apparatus, namely, loop calibrators for measuring and calibration of electrical currents in circuits; standard-unit measuring machines and apparatus; derived-unit measuring machines and apparatus; precision measuring machines and instruments in the nature of oscilloscopes; digital power analyzers to measure electrical power, scopecorders in the nature of oscilloscope and data acquisition recorder that gathers, records, and analyzes information, recorders in nature of data acquisition unit that gathers, records, and analyzes information, waveform generators; voltage current generators, source measure unit to generate and measure voltage and current, DC source measurers, DC power Source, low pressure calibrator, DC calibrator, current calibrator, digital multimeters; manometers; digital thermometers not for medical purposes; loop powered indicators in the nature of level indicators; clamp-on testers being measuring apparatus in the nature of clamp meters for measuring electricity, insulation testers in the nature of insulation resistance meters, earth resistance testers, light meter; thermometers not for medical purposes; galvanometer, current transformer; voltmeters; optical spectrum analyzer to measure distribution of power and properties of light; optical time domain reflectometer in the nature of electro-optical instruments for use in measurement of industrial components; optical wavelength meters; optical power meters; light sources for optic fiber testing,; surveying machines and instruments; power distribution or control machines and apparatus namely, converters, inverters, power line conditioners; batteries and photovoltaic cells; electric or magnetic meters and voltage testers; phase sequence indicator; oscilloscopes; circuit testers; antenna parameter measuring apparatus; magnetometers; frequency meters; watt-hour electricity meters; resistance measuring instruments; voltmeters; wavemeters; ammeters; wattmeters; oscillators; Electric and magnetic meters and testers, namely, capacity measures; electronic data loggers; signal generators, namely, electronic arbitrary waveform generators; DC calibrator for calibrating temperature sensors; electric wires and cables; radio communication machines and apparatus, namely, radio-frequency transmitters, radio-frequency receivers; radio application machines and apparatus, namely pressure transmitters, wireless temperature transmitters, wireless gas detectors, wireless adapters, wireless media converter, wireless management station; remote control telemetering machines and apparatus; parts and accessories for telecommunication machines and apparatus, namely, telecommunication exchangers, telecommunication cables, and telecommunication switches; computers and computer peripherals; semi-conductor elements; semi-conductor lasers for measuring; photodiodes; computer data acquisition devices in the nature of computer hardware; probes for electronic devices or electronic circuits, namely, voltage probes for electronic devices or electronic circuits not for medical use or medical purposes; electrical lead wires for testing electronic devices or electronic circuits; computer programs for analysing measured data; electronic circuits; computer programs for analysis, measurement, acquisition, evaluation, visualization, management, integration, storage of data obtained from measuring and testing machines and instruments; computer programs for controlling and operating measuring and testing machines and instruments; computer servers; computer software for controlling and managing access to servers; magnetic cores; resistance wires; electrodes, other than welding electrodes or medical electrodes; downloadable music files; downloadable image files containing data from surveillance cameras and microscopes; downloadable electronic publications in the nature of instruction manuals, catalogues in the field of measuring machines, monitoring machine, recording machines, analyzing machines, computers, or computer software