Ключевые слова: 89, 611, antique, black, cargo, classic, coal, engine, environment, environmental, fire, heat, iron, journey, locomotive, old, outside, pa, passenger, pennsylvania, pollution, power, powerful, puffing, pull, rail, rail road, railroad, railway, retro, rural, scenery, smoke, soot, steam, steam engine, steam locomotive, steel, strasburg, streamline, track, train, transport, transportation, travel, vintage, wheel, white,