HVACTech Member Joined Aug 23, 2008 Messages 3,736 Dec 4, 2014 #21 Zippyjuan said: Thanks for the info! Click to expand... hell, I just learned that what I worked on was a "Kelly" rig. Hmm.. Last edited: Dec 4, 2014
Zippyjuan said: Thanks for the info! Click to expand... hell, I just learned that what I worked on was a "Kelly" rig. Hmm..