What is the rat-hole mining technique used in Uttarkashi tunnel collapse rescue operations?
“Deccan Herald”
What is Rat-Hole Mining & How Does it Work | What is ‘Rat-Mining’? How this ‘banned-practise’ helped in evacuation of stranded workers | Munna Qureshi: The ‘Raja’ Of Rat Mining | Uttarkashi Rescue Op
#UttarkashiTunnelCollapse #UttarkashiTunnelRescue #RatHoleMining #RatMiners #RatHole…
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