some rock falls, some small rocks, breaking off from inside that rescue shaft and crashing into the fenix capsule even though it is made of metal. just imagine that the damage a heavy rock could do if it fell several hundred meters on to the rescue cage. that has not happened. rescuers are trying to avoid that kind of thing. the other problem rescuers have caused are very keen to avoid, any kind of medical problem with the miners themselves. that s why they re pumping a supply of enriched oxygen into the fenix capsule. that s why they ve made such a big effort. putting video and audio link booze sboo the capsule so the miners have constant communication with the surface. they can feedback technical information. if they begin to panic, they can immediately get in could not tack with psychologists as well. there has been every effort to mitigate any effects that might occur if that capsule started to spin on the way up. that is why over the last six hours, prior to these miners