Giant Drill Broker, Rescue Of Uttarakhand Tunnel Workers May Take Long Time

The operation to rescue 41 workers trapped in the Silkyara tunnel may take a long time with the auger machine for horizontal drilling facing repeated hurdles, and rescuers are now preparing to start vertical drilling, the National Disaster Management Authority (NDMA) said on Saturday.  

Giant Drill Broker, Rescue Of Uttarakhand Tunnel Workers May Take Long Time
The operation to rescue 41 workers trapped in the Silkyara tunnel may take a long time with the auger machine for horizontal drilling facing repeated hurdles, and rescuers are now preparing to start vertical drilling, the National Disaster Management Authority (NDMA) said on Saturday.