Ключевые слова: blast furnace, bright, construction, conveyor belt, craftsmanship, engineering, equipment, factory, fire, flame, flames, foundry, furnace, glowing, glowing metal, heat, heavy industry, hot, industrial, industrial plant, industrial process, industrial worker, industry, intense heat, iron, light, manufacturing, metal flow, metal industry, metal liquid, metal production, metallurgy, metalworking, molten metal, night, operation, orange, plant, pouring, production, raw material, safety, smelter, smelting, sparks, steel, steel conveyor, steelmaking, work,