Ключевые слова: air, background, blue, bright, city, clear, clouds, communication, concept, connection, construction, current, design, distribution, ecology, electric, electrical, electricity, electricpower, energy, engineering, equipment, high, hitch, industrial, industry, lin, line, main, metal, modern, nature, network, networks, people, power, sky, structure, supply, supports, system, technology, transfer, transmission, voltage, weather, white, wire, wires, worker,