Ключевые слова: architecture, boiler, building, business, cartography, chimney, commercial, construction, design, ecology, energy, environment, factory, fuel, global, hangar, heat, industrial, industry, manufacturing, nobody, pipe, pipeline, plant, poly, power, pressure, production, set, sewerage, sky, smoke, station, steam, steel, storage, structure, symbol, technology, town, warehouse, wastewater,