Ключевые слова: airflow, background, baghouse, banner, bulk, cement, chutes, concrete, construction, cycle, day, dust, facility, factory, fastener, gantry, grinder, hauler, hazard, heavy, industrial, industrialize, intake, labor, manufacture, material, panoramic, pipes, plant, processing, quarry, rebar, scaffolding, steel, towers, transport, worker, workplace,