Ключевые слова: architect, architecture, building, business, chemical, chimney, construction, crane, development, distillery, energy, engineer, engineering, environment, factory, fuel, gas, gasoline, heavy, high, industrial, industry, machine, manufacturing, mechanical, metal, oil, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, production, project, refine, refinery, safety, scaffolding, site, sky, steel, structure, support, technology, tower, tube, twilight, worker,