9 Scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; navigation apparatus in the nature of gps navigation device; surveying machines and instruments; photographic apparatus and instruments, namely, photographic cameras; cinematographic machines and instruments; audiovisual apparatus in the nature of audiovisual receivers; optical apparatus and instruments, namely, optical inspection apparatus; weighing apparatus and instruments; measuring apparatus and instruments, namely, digitizers, length measuring gauges, laser measuring systems, distance measuring apparatus and rain gauges; signaling apparatus and instruments, namely, in-ground traffic lights being signaling devices, traffic-light apparatus; detecting, testing and inspection apparatus, namely, control cabinets specially adapted for vehicle traffic control equipment; checking and supervision apparatus and instruments, namely, checking and supervision apparatus for monitoring, management and communications systems in urban areas; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity consumption or distribution; downloadable software for monitoring, management and communications systems in urban areas; sound, image or data recording, transmission, reproduction or processing apparatus and instruments, namely, sound recording apparatus, data processors; recorded or downloadable media in the nature of multimedia files containing video, graphics, audio and texts for monitoring, management and communications systems in urban areas; mechanisms for coin-operated apparatus; cash registers, calculating machines; computers and computer peripherals; fire extinguishers