Ключевые слова: activity, alternative, art, background, black, bright, bulb, clip, concept, creative, creativity, design, eco, economy, electric, electrical, electricity, energy, fluorescent, glass, glowing, graphic, halogen, heat, icon, idea, illumination, illustration, inspiration, light, lightbulb, line, linear, minimal, outline, pen, power, ray, saving, scriibble, shape, simple, single, solution, symbol, technology, thin, white, zzzablaabaejedepfpfegfgdgifpemdadadgcndbdb,