Professor Vern Explains How The Light Rail Catenary Works
MDOT MTA Maryland
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Professor Vern Explains How The Light Rail Catenary Works
4 982 просмотра · 5 лет назад
MDOT MTA Maryland
3,11 тыс. подписчиков
4 982 просмотра · 5 лет назад
Ever wonder how Light Rail trains are powered? Professor Vern explains. (But watch out for hidden dangers!)
