Ключевые слова: cast iron, closeup, colours, cylinder, engine, equipment, factory, fashioned, flywheel, historical, indoor, industrial, industrial revolution, industry, intricacy, machine, machine part, machinery, mechanic, motion, movement, no people, obsolete, old, oldfashioned, operational, piston, power, progress, revolution, revolving, rotary, rotating, spinning, steam, steam engine, steel, torsion, valva, victorian,