What Is Tunel | Types of Tunnels | What Are Tunnels Used for | Classification of Tunnel | How Are Tunnels Built |Advantages & Disadvantages of Tunnels
What Is Tunel? Tunnels are artificial underwater tunnels that are built without damaging the surface of the earth. The tunnels are underwater passageways used mostly for transport purposes. They may be used to transport freight and travellers, water, sanitation, respectively. Tunnels are often more efficient than open cuts over a certain depth. Tunnels prevent disruption … Read more