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Audible track warning signals
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Devices to attract the attention of train crews and others.
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Isolated, английский
- Disconnected from all possible sources of electricity supply by means of visible breaks, or length of insulation of value appropriate to the voltage
- Изолированный
- Said of a space not readily accessible to persons unless special means for access are used.
Trackside monitoring equipment, английский
Devices that monitor and respond to track, trackside and rail vehicle conditions.
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