Ключевые слова: antenna, broadcast, business, cable, cellular, communication, digital, engineer, equipment, harness, height, helmet, high, hight, industry, install, internet, job, ladder, man, mast, microwave, mobile, network, people, raise, receive, repairman, repeat, risk, safety, satellite, shadow, signal, signal tower, silhouette, sky, tall, technician, technology, telecom, telecommunication, telephone, tower, transmission, transmitter, wave, wire, work, worker,