Ключевые слова: below, blue, commercial, conduit, connected, construction, conveyance, deep, energy, engineering, equipment, fluid, fuel, gas, industrial, marine, marine construction, marine engineering, marine exploration, marine life, metal, ocean, offshore, oil, oil and gas industry, petrol, pipe, pipeline, pipeline infrastructure, power, row, sea, seafloor, sealine, stream, structure, submarine, submersible, subsea, supply, technology, transport, transportation, tube, undersea, underwater, underwater industry, valve, water,