Ключевые слова: air, atmosphere, black, blue, boat, chimney, climate, clouds, cruise, detail, diesel, dioxide, dirty, ecology, emission, energy, engine, environment, environmental, exhaust, ferry, fuel, fumes, funnel, gas, industrial, industry, journey, large, marine, metal, nautical, pipe, pollution, power, ship, shipping, sky, smoke, smokestack, steam, steamboat, technology, tourism, toxic, transport, transportation, travel, tube, vessel,