Ключевые слова: aid, audio, awards, black, business, cinema, classroom, color, communications, computers, data, display, education, electronics, equipment, exhibition, eyesight, greeting, illuminated, information, instrument, lamp, laptop, lens, light, lighting, liquidcrystal, marketing, meetings, modern, multimedia, occupation, office, optical, part, people, phenomenon, power, presentation, projection, representative, seminar, service, slide, support, teaching, technology, tool, video, visual,