Ключевые слова: antenna mast, antennas, atmosphere, broadcast, cell, cellular, chemical, chimney, climate, commercial, communicate, connecting, connection, contamination, copy space, engineering, environmental, factory, frequency, global, heat, heating, high heating plant, horizontal, internet, link, mast, network, plant, pollution, power, radiation, radio, receiver, red, signal, smog, smoke, station, steam, structure, telecommunication, telephone, television, transmission, warming, wave, white, wireless,