Ключевые слова: background, base, bright, bulb, burn, burnt, concept, daylight, economical, edison, electric, electrical, electricity, electronic, electronics, energy, energysaving lamp, equipment, equipments, fluorescent, glass, idea, illuminated, intelligence, invent, invention, isolated, lamp, led, lightbulb, lit, luminosity, object, power, regular, resources, science, spiral, surface, technology, texture, textured, thinking, transparent, tungsten, voltage, watt, white, white background,