Ключевые слова: antenna, background, cable, cell, cellular, climb, climbing, communication, connection, construction, danger, engineer, equipment, global, gsm, high, industrial, industry, maintenance, man, mast, metal, mobile, network, phone, pole, power, radio, repair, risk, safety, satellite, signal, sky, station, steel, structure, technician, technology, telecom, telecommunication, telecommunications, telephone, tower, towers, transmission, transmitter, wireless, work, worker,