Ключевые слова: arrive, arriving, background, caution, crossing, departure, go, green, industrial, industry, infrastructure, iron, language thailand, level, light, lighting, lights, mechanical, metal, point, proceed, public, rail, railroad, railroad tracks, railroads, railway, railway tracks, railways, red, signal, signaled, signaling, signals, signs, steel, stop, structure, symbol, symbolical, thailand, track, tracks, traffic, train, trains, transport, transportation, wait, waiting,