Ключевые слова: background, bar, cable, concept, conceptual, connection, conservation, creative, danger, ecology, efficiency, electric, electrical, energetic, energy, engineering, equipment, generator, group, home, icon, idea, illustration, image, industry, infrastructure, interior, line, many, meta, outlet, plug, power, powerful, protection, renewable, room, socket, steel, supply, surge, symbol, technology, volt, voltage, wall, watt, white, wires,