On Oct 15, 4:51*pm, "Lew Hodgett" wrote:
"DGDevin" wrote:

*http://www.nytimes.com/reuters/2010/...national-....a customer who built tunneling machines.Very interesting business.A machine is usually designed and built for a specific tunnel project.Usually it is a great spare parts business.Lew

Did you notice this?

http://i123.photobucket.com/albums/o...unnelDrill.jpg