energy power electricity electric power high tension catenary insulator

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Keywords: betonmast, bracket, cable, catenary, cogwheel, conduction, current, electric, electricity, energy, engine, high, insulator, iron, line, locomotive, mast, means, overhead, power, pulley, railway, rolling, screw, stanchion, steel, stock, supply, system, tenseness, tension, train, travel, vehicle, wheel, wire