The Mudcat Café TM
Thread #132825 Message #3009399
Posted By: GUEST,mg
17-Oct-10 - 05:28 PM
Thread Name: BS: How Chile rescue has changed the world
Subject: RE: BS: How Chile rescue has changed the world
Would the drill bits be diamond-tipped? I would presume so but don't know for sure.
Were tungsten mining lamps still used? mg