Ключевые слова: air, atmosphere, blue, building, cargo, chemical, chimney, co2, condensation, construction, dangerous, day, degradation, ecology, emission, energy, environment, equipment, exhaust, exhaustion, factory, fumes, gas, gases, global, industrial, industry, lights, machine, outdoor, pipe, plant, pollution, power, process, reflection, ship, shipping, sky, smokestack, stack, sunny, technology, tower, toxic, up, valve, vent, wind,