9 Scientific and electronic apparatus and instruments for use in the fields of energy generation and distribution from hydroelectric, thermal, fossil fuel and nuclear power, transportation, civil engineering, industrial processes, construction, drilling, mining and mineral prospecting, telecommunications, building maintenance, automated systems, utilities management, and environmental technology, namely, computers and parts therefor, programmable logical controllers, microcalculators, computer operating programs, computer utility programs, database management software, computer aided design software and computer aided manufacturing software all sold for use in the foregoing fields; computers and computer software for use in designing, planning, surveying, constructing and managing industrial and commercial buildings, industrial processes and installations, heating and steam generating installations; electrical power stations, generators; static and rotary electric converters, electrical and optical cables, magnets, prefabricated ducts for electrical cables, automatic voltage regulators for power distribution systems; optical apparatus, namely, optical inspection apparatus for industrial and commercial use, optical character recognition or OCR apparatus, optical filters, optical scanners, optical fibers sold as a component of fiberoptical cables; checking and safety apparatus, namely, safety glasses, safety caps, alarm systems and warning systems, sirens, electric safety fuses; nautical apparatus, namely, compasses, sextants, echo sounders; weighing and measuring apparatus, namely, measure of weight apparatus, measure of pressure apparatus, measure of length apparatus, measure of temperature apparatus, measure of time apparatus, all for industrial and commercial use; signaling apparatus, namely, maritime signals, traffic signs; luminous signs for roads, signalling and control switches; apparatus for recording, transmitting or reproducing images, data and sound, namely, computers, cameras, video recorders, audio recorders, computer monitors, computer software in the nature of operating systems and database management programs, satellites and antennas; radio and telephone transmitters, receivers, facsimile machines, fixed and mobile telephones and radio telephones, televisions; apparatus and data carriers for recording, transmitting, and reproducing digital or analog sound or image data, namely, optical disks, video tapes, audio tapes, CD ROMS, DVDs; information processing equipment, namely, computer hardware, computer screens, computer printers, keyboards, modems and scanners; fire extinguishing apparatus, namely, fire-extinguishers, fire sprinklers, fire hose nozzles, fire alarms; automatic distribution machines, namely, automated teller machines, automated paper money sorting machines, automatic vending machines for food, drink, newspapers and magazines