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Audible warning device
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A device, such as a whistle, siren, horn or hooter, used to give warning.
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Звуковое сигнальное, русский
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Train control diagram (train control graph), английский
A diagram showing operational information for a train control area.
End-of-train marker, английский
A device, other than tail lights, fitted to the trailing end of the last vehicle of a train, which indicates the end of the train.
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