Ключевые слова: abstract, backgrounds, blue, bright, business, cartoon, computer graphic, concepts, creativity, design, efficiency, electric lamp, electricity, environment, equipment, flat, fuel and power generation, glass, glowing, halogen light, icon, ideas, illuminated, illustration, imagination, innovation, inspiration, invention, isolated, light, light bulb, lighting equipment, material, modern, natural phenomenon, nature, power line, power supply, science, shape, shiny, sign, single object, solution, spiral, success, symbol, technology,