Ключевые слова: action, bright, burning, business, busy, camshafts, closeup, color, cutting, dark, energy, engineering, equipment, factory, fire, flame, foundry, grinder, heat, horizantal, igniting, industrial, industry, laser, machine, machinery, manufacturing, metal, metalwork, modern, natural, part, phenomenon, plasma, power, sparks, steel, technology, temperature, tool, work, worker, working,