Ключевые слова: bright, bulb, business, cement, color, communication, concrete, diagram, effective, efficiency, electric, energy, financial, glass, glowing, goal, graph, great, growth, idea, income, infograph, invention, lamp, light, lightbulb, loss, market, marketing, media, plan, power, report, sales, save, science, sketch, smart, solve, strategy, success, technology, think, wall,