Detailed text transcripts for TV channel - CNN - 20170626:02:09:00
I don't need to go in there. >> yeah, you got to go in there or you won't get your retraining. >> is this something every comb miner has to do or is this optional? >> it's not optional. it's state and federally required. that's one of the most important things a coal miner can learn, is the way to get out of that mine in case of an emergency. >> has anybody ever died in here when they were training? >> no. >> all right. >> not yet. >> yea. i can set a new record. >> miner's belt so carry stuff in and out, check. airline type breath mask that actually inflates, check. finally, the perfectly fit...