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Railways
The means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks.
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Railways > Railroad 
throat of frog
Railways; Railroad
The point at which the converging wings of a frog are closest together just ahead of frog point.
through span bridge
Railways; Railroad
A bridge in which the track is carried between girder or trusses. Girder and pony truss bridges (trusses without overhead braces) are called half-through spans; truss bridges with ...
throw of switch
Railways; Railroad
The distance, measured along the center line of the rod nearest the point connecting the two switch rails, through which switch points are moved sidewise to bring either point ...
flare opening
Railways; Railroad
Horizontal distance between the gage line of running rail and the side of the head of a guard rail or frog wing rail at the widest part of its flared end.
Sub-categories
- Rail electrical engineering (0)
- Rail infrastructure (0)
- Railroad (3643)
- Railway assembly parts (0)
- Railway control systems (0)
- Railway pneumatics (0)
- Railway sleepers (1)
- Train parts (467)
- Train supplies (2)
- Trains (48)