Artificial limbs for medical instruction purposes; Audio-receivers and video-receivers; Automotive testing equipment, namely, handheld diagnostic scanners; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Computer network adapters, switches, routers and hubs; Computers and computer peripherals; Electronic apparatus, namely, electronic display boards, plasma display boards, electronic display screens; Electronic plotters; Integrated circuits, integrated circuit chips, and integrated circuit modules for encoding and decoding digital video; Laboratory centrifuges; Laboratory equipment, namely, cupels; Measuring instrumentation and apparatus, namely, digitizers; Multifunction electronic devices for use in copying, printing, scanning, video capturing and/or transmitting documents and images; Optical lamps; Scientific apparatus, namely, spectrometers and parts and fittings therefor; Slide or photograph projection apparatus; Surveying machines and instruments; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; Timers; Visual training aid, namely, non-prescription glasses used for visual training purposes