Ключевые слова: attire, background, bokeh, chemicals, cityscape, construction, dusk, energy, environment, equipment, factory, force, gas, hard, hat, heavy, helmet, industrial, industry, infrastructure, labor, landscape, machinery, marine, metal, observer, oil, pipeline, pollution, production, profile, refinery, research, safety, shadows, silhouette, skyline, steam, sunset, technology, view, worker, workforce,