Ключевые слова: alternating, animals, background, bird, bird on wire, birds, cable, cables, communication, connection, copy space, crow, danger, distribution, electric, electric pole, electrical, electricity, energy, engineering, environment, equipment, glass, grounded, high, industrial, industry, insulator, isolated, light, line, metal, network, old, outdoors, pole, post, power, power lines, sky, steel, structure, supply, technology, tower, transmission, urban, voltage, white, wire,