9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, emergency, and teaching apparatus and instruments not for medical use, namely, lifesaving devices being life vests, thermometers, not for medical purposes, cameras, video cameras, apparatus for image transmission and recording, apparatus for audio transmission and recording, video screens, laboratory instruments being laboratory glassware, apparatus and instruments for physics being particle accelerators, apparatus and instruments for chemistry being pre-packed columns for use in chemical synthesis, optical range finders for laboratory use, transmitters of electronic signals, weighing instruments, and metrological instruments being optical frequency metrology devices; scientific measuring and monitoring apparatus, machines and instruments for the supply, mixing and dispensing of chemicals, namely, fluid flow and volume meters, leak detecting sensors for chemical tanks, electronic switches for controlling the flow of fluids, automatic control valves for controlling the flow of chemical fluids, loop controllers being electrical controlling devices, temperature controller, pressure controller, programmable logic controller; microbiological analysis instruments for laboratory use, namely, instruments for analyzing the chemical composition of gases; pressure indicators; vacuum gauges; scientific spectrometers; pressure gauges; accelerated ion devices, other than for treating the air, namely, particle accelerators; apparatus for analyzing and detecting leaks, namely, gas leak detectors for gas tanks; gas phase chromatography apparatus for laboratory use; experimental devices in the field of fusion technologies, namely, cryostats; ozone generating installations, namely, ozonizers; electronic precision measuring apparatus for measuring the dimensions of metals for later welding and cutting; apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; transformers; electric batteries; fuel cells and their components, namely, anode, cathode, cellular mixed ester membranes for electrochemical separation, and electric current collector plates in the nature of electric accumulators; coal and biomass fuel gasifiers and liquefiers for laboratory use; laboratory apparatus for the production of pharmaceutical products, namely, inspection machines for the physical inspection of finished pharmaceutical capsules; safety and protective equipment and clothing, namely, welding helmets, safety goggles, clothing for protection against accidents, irradiation and fire, and gloves for protection against accidents; self-contained diving suits; breathing apparatus for underwater diving; gas expansion apparatus for underwater diving; underwater telephones; position sensing apparatus, namely, GPS tracking devices and associated RFID chips for use therewith; diving and swimming goggles; diving suits, gloves and face masks; computer software for use in the field of environmental engineering, namely, software for industrial process control, simulating physical or chemical reactions related to air gases; pre-recorded magnetic data carriers featuring pressure readings data for automated reading, and related computer software for reading and playing the same; data processing equipment and computers; programming stations consisting of computers, computer terminals, data processing equipment and Internet wireless communication devices for voice, data or image transmission; voltage transducers, signal processing transducers, optical signal transmission transducers, electrical transducers; scuba diving masks and snorkels for water activities