Ключевые слова: bank, bill, bright, brightly, bulb, business, chart, coin, computer, concept, conservation, creative, ecology, economical, economy, electric, electricity, energy, environment, equipment, euro, european, finance, glass, idea, illuminated, incandescent, industry, innovation, inspiration, invention, lamp, led, lightbulb, lit, modern, money, notes, power, recycle, recycling, red, save, shiny, sign, solution, technology, tungsten, white, yellow,