Epaper
Daily Thanthi
Thanthi TV

Chennai
Tamil Nadu
National
World
Cinema
Business
Sports
Lifestyle
Technology

Chennai
Tamil Nadu
National
World
Cinema
Business
Sports
Lifestyle
Technology

rat hole mining technique

Tunnel rescue: Rat hole mining to be employed to remove debris through manual drilling

Tunnel rescue: Rat hole mining to be employed to remove debris through manual drilling

27 Nov 2023

3 min read

© dt-next 2026

Powered by Quintype

DT Next

www.dtnext.in