CNN CNN Newsroom April 18, 2014 14:46:00
Equipment that has to be cut, then on top of that, there would be a saw, a diamond saw that can cut. >> there's a diamond wire saw you can cut with. there's a metal blade -- a saw you can cut with. a lot of it is a combination of guillotine cutting, using jaws to -- like the jaws of life, sort of to rip things apart and to just get in there and attach and move as you have to. >> last but not least you'll be down here for hours, maybe up to 15 hours. then there's the time to get back up to the surface, another crew comes down and continues to work. but, you know, we don't have gps down here. it...
Source: archive.org