What is tunneling? Describe the hazards and risks involved in tunnelin

Question

What is tunneling? Describe the hazards and risks involved in tunneling

05 Sep 2024

Answer :

Word Count : 289

Tunneling refers to the process of constructing tunnels, typically underground, for transportation (such as railways, highways), utilities (sewer, water, electricity), or mining purposes. Tunneling requires excavation and the removal of soil or rock to create a hollow passage. The process may involve various methods, such as drilling, blasting, ______ ____ __________ ______ __________ _____.
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