Ключевые слова: alternative, bulb, business, concepts, coniferous, conservation, earth, edison, electric, electricity, electro, energy, environment, environmental, equipment, fuel, future, generation, global, gray, green, homegrown, innovation, invention, isolated, lamp, light, lighting, metal, nature, organic, planet, plant, pollution, power, produce, recycling, resource, responsibility, solution, sphere, strom, sunflower, symbol, technology, warming, white,