Ключевые слова: big, blue, boom, bucket, construction, crane, crane worker, crew, danger, derrick, drill, drilling, drilling instalation, energy, equipment, fixing, gas, heavy, high, industrial, industry, lift, line, ocean, offshore, oil, oil and gas, oil burner, oil platform, oil production, petroleum, pipe, platform, pollution, production, pump, raising, refinery, rig, safety, sea, ship, sky, steel, tall, tanker ships, technology, tower, well, well service,