Ключевые слова: bangkok, between, bogie, build, engine, engineer, engineering, freight, improvement, machine, machinery, metal, old, people, power, process, public, rail, railroad, railway, renewal, restoration, road, rolling, service, speed, station, steel, sustainable, switching, system, tamper, tamping, technology, thai, thailand, track, train, tram, tramway, transport, transportation, travel, vehicle, vintage,