Ключевые слова: bottom, construction, copy, corrosion resistant, deep, deepsea, design, development, energy, engineering, environment, equipment, exploration, floor, fuel, gas, industrial, industry, infrastructure, inspection, installation, laying, maintenance, marine, metal, natural, network, ocean, offshore, oil, operations, petroleum, pipe, pipeline, sea, space, subsea, system, technology, transportation, undersea, underwater, welding,