Ключевые слова: apparatus, artificial lighting, background, backlight, black, concert, concert equipment, control, dark, desk, device, electrical, electrician, electricity, engineer, engineering, equipment, festival, guy, hands, industry, installation, instrument, lamp, light, male, one, professional, reconditioning, repair work, repairs, scene, screen, screwdriver, searchlight, set, smoke, sound, stage light, stage lighting, technician, television, tester, theater, tuneup, tuning, visual, work clothes, worker, young,