Ключевые слова: ac, alternative, background, blade, cable, cleaning, concept, conceptual, eco, efficiency, efficient, electric, electricity, energy, environmental, equipment, extension, green, idea, outdoor, outlet, plastic, plug, plugin, power, protect, protection, push, receptacle, reel, responsibility, reuse, roll, running, safety, save, saw, single, socket, supply, switch, technical, technology, tool, track, voltage, wire,