Ключевые слова: background, black, bright, bulb, clipart, concept, contour, creative, design, doodle, drawing, efficient, electric, electricity, electronics, energy, energysaving, fluorescent, glass, glitter, graphic, halogen, icon, idea, illuminated, illustration, image, innovation, inspiration, invention, isolated, lamp, light, lighting, line, lowenergy, pen, pendulum, physics, power, science, simple, sketch, solution, symbol, technology, text, white,