Initially, it took 15 minutes per round trip. By using a 12-tonne crane, the cycle was reduced to .
71 miners were trapped deep underground as water cut off the main exit routes. raniganj coal mine rescue full
Gill loaded the weakest miner into the capsule, sealed the hatch, and signaled the winch operator. Fifteen minutes later, the miner broke the surface to the sound of thousands of people cheering. Initially, it took 15 minutes per round trip