audio tapes, video tapes, phonographic and digital audio tape records, audio or video cassettes, tapes and discs, audio/video players and recorders, stereo receivers, amplifiers, tuners; computer hardware, word processors, terminals, micro-processors, blank computer discs, utility programs for computers, printers, circuit boards, calculators; satellites; photographic and video and audio equipment; namely, photographic and slide projectors, cameras, screens, film, motion picture and video cameras; telephones, photocopying machines, facsimile machines, television sets, radios, optical lenses and filters, fiber optics, volt meters, volt surge protectors, transformers, switches, converters and controllers, thermometers; batteries, binoculars, telescopes, vacuum cleaners, alarms, smoke detectors, eye glasses, contact lenses, and regulators; scales