Ключевые слова: adventure, antenna, around, back, background, boot, climb, climbing, closeup, communicate, communication, connection, connections, difficult, emergency, equipment, expedition, extreme, fasten, figure, gear, harness, health, image, industrial, iron, items, knot, map, mountain, mountaineering, pieces, police, radio, recreation, rescuers, rope, scan, secure, security, set, strength, system, talking, tourist, training, transmit, walkie talkie, wave, wireless,