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Grading rings
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Buried earth electrode system which encircles the structure to be protected. the purpose of the grading ring is to prevent the rise of hazardous step and touch voltage potentials.
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Cab display unit (cdu), английский
Cab display unit installed in the locomotive to provide the driver with the end of train monitoring system (etms) data required to operate the train.
Tautliner, английский
Brand name often used to refer to a curtain sided car. a box car in which the side walls consist entirely or predominantly of weather-proof flexible panels
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