Ключевые слова: bright, bulb, concept, concepts, creative, ecology, electric, electricity, energy, environment, environmental, equipment, fuel, generation, glass, global, green, growth, idea, ideas, illuminated, illustration, innovation, inside, inspiration, isolated, lamp, leaf, light, lightbulb, lighting, lit, nature, plant, pollution, power, recycle, recycling, save, savings, seedling, shape, shine, small, solution, sprout, supply, symbol, technology, tree,