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This video explains what is tunnel boring machine , different types of tunneling technique like cut and cover , Boring and Drilling , NATM(new Austrian tunneling method), Pipe jacking and Immersed tube methods.
It explains various types of tunneling by TBM, like slurry and earth balance method. Explains the advantages and disadvantages of tunnels. various applications of tunnels like transportation, water transfer, etc. Explains who are the manufacturers and current Indian assemblers.