Ключевые слова: background, blue, cable, catenary, city, conductor, connection, crossing, crossroad, danger, distribution, electric, electrical, electricity, energy, equipment, high, industrial, industry, infrastructure, line, metal, modern, network, outdoor, overhead, power, public, rail, railroad, railway, sky, steel, street, structure, supply, system, technology, train, tram, tramway, transmission, transport, transportation, travel, trolley, trolleybus, urban, voltage, wire,