Ключевые слова: apparatus, audio, background, broadcast, chroma, concert, control, desk, device, doors, electrical, electrician, electricity, engineer, engineering, equipment, event, festival, film, hands, industry, installation, instrument, lamp, light, lighting, machine, male, music, one, people, production, professional, reconditioning, repairs, scene, screen, set, smoke, sound, studio, technician, television, tester, theater, tuneup, tuning, turnscrew, visual, worker,