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 jackets, life-saving rafts, life-saving capsules for natural disasters; thermometers not being for medical purposes, cameras, video cameras, apparatus for image transmission and recording, apparatus for audio transmission and recording, video screens, laboratory instruments being pipettes, homogenizers, laboratory apparatus and instruments for detection of pathogens and toxins in a biological sample for research use, Teaching apparatus and instruments for physics being blocks used as teaching aids for the visualization of physics concepts, Teaching apparatus and instruments for chemistry being blocks used as teaching aids for modeling chemical compounds, optical range finding device for golf and cameras, transmitters of electronic signals, weighing instruments, metrological instruments being electronic sensors for measuring solar radiation, instruments for detecting and measuring two-dimensional distribution of force and pressure, measuring apparatus for temperature and humidity levels in gases and solid substances; scientific measuring and monitoring apparatus, machines and instruments for the supply, mixing and dispensing of chemicals, namely, fluid flow meters, fluid pressure sensors, fluid flow control switches for monitoring and controlling the flow of gases or liquids, automatic controllers being automatic electrical controllers, loop controllers being electrical controllers, temperature controller for controlling the temperature of fluids in commercial and industrial processes; pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes, programmable logic controller; microbiological analysis instruments and apparatus for gases for laboratory use; pressure indicators; Vacuum gauges; Scientific spectrometers; pressure gauges; accelerated ion devices, other than for treating the air; apparatus for analyzing and detecting leaks, namely, leak detectors for gas; gas phase chromatography apparatus for laboratory use; experimental devices in the field of fusion technologies, namely, cryostats; ozone generating installations, namely, ozonisers; precision measuring apparatus and monitoring devices for welding and cutting process, namely, laser devices for projecting a visible line on a work piece to be cut, monitoring devices for monitoring welding current, wire electrode extension, welding voltage, and arc travel speed; apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; transformers; electric batteries; fuel cells and their components, namely, anode, cathode, membranes for electrochemical separation and electric current collector plate; coal liquefaction apparatus, coal gasification apparatus, biomass fuel liquefaction apparatus, biomass fuel gasification apparatus, air gases liquefaction apparatus, namely, gas sensors for measuring gas concentration, electronic valves for controlling gas or fluids, flow switches for monitoring and controlling the flow of gases or liquids; laboratory apparatus for the production of pharmaceutical products; 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, RFID chip; diving and swimming goggles; diving suits; gloves and face masks for diving, protective gloves and face masks for industrial use; computer software for simulating chemical reactions, monitoring parameters in the production or use of air gases or chemicals, simulating and predicting the impacts of chemical waste in ecosystems for use in the fields of environmental engineering, industrial processes handling; 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; computer programming stations consisting of computers, computer terminals, data processing equipment and Internet devices; Voltage transducers, signal processing transducers, optical signal transmission transducers, electrical transducers; Scuba diving masks and snorkels for water activities