9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating, controlling or distributing electricity, namely, automatic electrical distribution apparatus, electric accumulators, electric voltage transformers, voltage regulators for electric power, electricity conduits, electricity adapters, graduation checkers, digital signal processors, emergency signal transmitters, electronic and optical communications instruments and components, namely, optical transmitters, optical character recognition apparatus, cinematographic machines and apparatus, magnetic compasses for surveying, surveying machines and instruments, nautical global positioning system consisting of computers, computer software, transmitters, receivers, and network interface devices, scientific apparatus, namely sensing and signaling devices for measurement and quality control of materials processing by laser, scientific apparatus for determining the water content in petroleum products, analysis instruments for photogrammetric purposes, instruments and apparatus for controlling electric current, namely, electrical controllers for magnetic bearing control, scales for weighing, instruments for measuring length; apparatus for recording, transmission or reproduction of sound or images, namely, stereo amplifiers, stereo receivers, radios, audio tape players, audio tape recorders, digital video recorders, DVD-players, compact disc players, digital versatile disc players, video cassette recorders, television sets; blank magnetic data carriers; downloadable electronic publications in the nature of books, magazines, journals, newspapers, periodicals, catalogs, brochures, instruction manuals, pictures, in the field of robotic and automation technology