Ключевые слова: arrive, arriving, background, caution, cold, concept, conceptual, crossing, departure, freeze, frozen, go, green, ice, icy, industrial, industry, infrastructure, iron, level, light, lighting, lights, machine, mechanical, metal, off, on, point, proceed, public, rail, railroad, railroads, railway, railways, red, semaphore, sign, signal, signalled, signalling, signals, signs, steel, stop, structure, symbol, symbolical, track, tracks, trackside, traffic, train, trains, transport, transportation, travelling, wait, waiting, winter, with,