Ключевые слова: bright, bulb, concept, darkness, diode, ecological, ecology, economical, economy, electric, electrical, electrician, electricity, electronic, energy, environment, environmental, equipment, fingers, flash, glass, glowing, hand, hold, holding, home, human, idea, illumination, illuminator, industrial, industry, innovation, lamp, led, light, lighting, modern, new, object, power, saving, shine, technology, tungsten, white,