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Ключевые слова:
air, aluminum, architecture, blow, chemical, chimney, chimneys, construction, energy, environment, environmental, estate, exhaust, exterior, factory, fumes, gas, heat, heater, heating on, industrial, industry, material, mineral, modern, new, old, pipe, pipeline, pollution, power, roof, self sufficiency, selfsufficiency, silver, sky, smoke, smokestack, stainless, steel, stokes, sufficiency, sustainability, thermal, toxic, traditional, tube, warming, waste gas,