Ключевые слова: antique, classic, coal, complexity, design, detailed, display, energy, engineering, exhibit, fuel, gears, historical, history, industrial, intricate, locomotive, machine, machinery, mechanical, metal, old fashioned, parts, pistons, power, pressurized, retro, rivets, showcase, smokestack, steam, steam powered, technology, transportation, tubes, valves, vintage, wheels, white background, wires,