Why don't railroads need expansion joints?
Why don't railroads need expansion joints?
Practical Engineering's video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc
37 reacties
37 reacties
Why don't railroads need expansion joints?
Practical Engineering's video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc