Ключевые слова: architecture, brown, burner, burning, burst, car, casting, closeup, control, crucible, dumping, energy, equipment, factory, field, flame, forging, framework, furnace, gray, heat, industry, iron, landscape, light, machinery, manufacturing, melting, metal, molten, operation, process, processing, production, red, risk, security, shipping, slag, smelting, solid, steel, steel plate, still life, structure, technology, workshops,