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Ramban tunnel collapse: Experts call for replacing detonators with autostem safety cartridge
‘Detonator explosion shockwaves weaken, fracture and destabilise earth strata’
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.greaterkashmir.com/todays-paper/front-page/ramban-tunnel-collapse-experts-call-for-replacing-detonators-with-autostem-safety-cartridge
Ramban tunnel collapse: Experts call for replacing detonators with autostem safety cartridge
www.greaterkashmir.com