Ключевые слова: boiler, bright, burning, cast, casting, construction, control, energy, equipment, factory, fire, flame, foundry, furnace, glow, glowing, heat, helmets, hot, industrial, industry, iron, ladle, light, liquid, male, manufacturing, melt, melting, metal, metallurgical, metallurgy, molten, objects, people, poured, pouring, power, process, smelter, smelting, steel, technology, worker, workers, workshop,