Gotthard Base Tunnel: Construction Features of the World’s Longest Tunnel
The Swiss government was exploring ways to lay a railway line through the Alps for a long time. The idea was materialized in the year 1995 with the...
Advantages and Disadvantages of Different Types of Movable Bridges
There are different types of movable bridges used for the passage of vessels and ships underway. Advantages and disadvantage of these bridges are...
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