Ключевые слова: action, bright, circle, circular, construction, engineering, environment, equipment, factory, fire, flame, foundry, furnace, glow, gold, heat, heavy, hot, industrial, industry, iron, light, machine, machinery, make, manufacture, manufacturing, mechanic, melting, metal, metal mould, metallurgy, mold, molten, mould, organization, part, pouring, power, production, protection, rotate, round, smelter, speed, spin, steel, stove, technical, technology,