Ключевые слова: background, body, bright, bulb, buy, cards, colors, concept, creative, creativity, documents, draw, electricity, energy, equipment, financial, forms, gas, glass, glowing, heat, idea, image, imagination, innovation, inspiration, intelligence, isolated, lamp, light, lightbulb, part, pay, pencils, plastic, power, saving, science, smart, solution, supply, technology, thinking, transparent, white, wire, work, write,