Ключевые слова: blue sky, boom, boom lift, cable, cables, circuit, construction, crane, danger, double, electric, electrical, electricity, energy, engineering, equipment, high, hydro one, industrial, industry, insulator, insulators, lift, line, lineman, linemen, lines, linesman, occupation, overhead, power, repair, replace, service, station, steel, suspension, technician, technology, tension, tower, towers, transmission, urban, voltage, wires, work, worker, workers,