Ключевые слова: abstract, advance, archives, backgrounds, business, cd, cdr, circle, collection, colored, colors, computer, curve, data, disc, disk, dvd, equipment, frame, group, heap, information, instrument, large, light, media, medium, memory, multimedia, music, nobody, objects, obsolete, old, optical, plastic, purple, ray, recordable, refraction, shiny, silver, single, software, sound, stack, storage, technology,