Portal:Technology/TF
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![train image](//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/TrainClipart.svg/50px-TrainClipart.svg.png)
train image
![train image](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/TrainClipart.svg/50px-TrainClipart.svg.png)
Railroad engineering and operation is the design, construction, maintenance, and operation of railroads and high-speed ground transportation.
Child portal: Channel Tunnel