Ключевые слова: background, blue, cable, circuit, closeup, cloud, concrete, connect, connection, current, danger, electric, electrical, electromagnetic, energy, engineering, equipment, export, high, industrial, industry, insulation, light, metal, metallic, network, outdoor, pole, porcelain, power, powered, protracted, resistance, sky, steel, structure, summer, sunlight, supply, system, technology, tension, thailand, tower, transmission, volt, voltage, warning, wire,