9 Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments in the field of energy, petroleum and petrochemical products, gas and renewable energy sources, namely, microscopes and their parts, GPS navigation device, cameras and films being exposed camera film, technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids, conductivity meters, electronic devices for measuring electric current, radiation measuring instruments, gasometers being measuring instruments, heat and fire detecting apparatus being heat, smoke and fire detectors, gas detecting apparatus being gas detectors for detecting the presence of gas, leak detection apparatus being detectors for detecting leaks in installations and apparatus used in the field of exploiting and distributing of energy, petroleum and petrochemical products, gas and renewable energy sources, namely for detecting water leaks, oil leaks, vacuum, gas leaks of any kind and partial discharges of electricity in order to enhance performance, power and safety during the production, storage and distribution of energy; systems for reservoir monitoring, imaging, production monitoring, control and maintenance of oil, gas and injection wells, namely, hydraulic, electrical, electronic, fiber optic and cable-less and low power activated or acoustic and radio systems comprised of meters and sensors that measure pressure, humidity, temperature and that include alarm and reporting functions; robotic systems, namely pressure sensors, electric sensors, liquid level sensors, gas sensors for measuring gas concentration and temperature sensors, effectors being mechanical and electromechanical grippers and process tools, microprocessors, radio receivers, mobile data receivers, radio transmitters, digital transmitters and power controllers, electrical controllers and electronic controllers for use with power converters; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity, namely, electricity limiters, electricity meters, electricity distribution consoles, earth cables, electrical cables, power cables, wire connectors for electricity, solar panels for the production of electricity, photovoltaic installation apparatus, namely, solar modules for production of electricity, solar thermal and electric receivers, tracking mechanisms and concentrating optics, and control algorithms, and photovoltaic systems that convert sunlight into electric and thermal energy; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable media, computer software, blank digital or analogue recording and storage media, namely, downloadable software for database management, for use as a spreadsheet, for word processing in the field of energy, petroleum and petrochemical products, gas and renewable energy sources; mechanisms for coin-operated apparatus; cash registers, calculating machines; computers and computer peripheral devices; fire-extinguishing apparatus; charging stations for electric vehicles; metal electrical network lines, namely, connections for electric lines; optical and mechanical measuring devices, namely, laser distance meters