Ключевые слова: accuracy, blending, blue, bright, brightly, brown, business, chocolate, color, construction, electricity, equipment, factory, fire, flame, foundry, furnace, gas, glowing, hardening, heat, industrial, industry, ingot, iron, ironwork, kiln, labor, liquid, machine, manufacturing, melting, metal, metallurgy, metalwork, old, poisonous, production, red, sparks, steel, technology, temperature, tempering, tool, torch, vibrant, work, worker,