Large image view: Pinbone wizard
![[Photo: Read caption below]](/news/archives/news-archives-2002-2010/featured/07/pinbone/images/MANNINGS.jpg)
Photo courtesy Geophysical Institute
Machinists Ned and Tim Manning work on one of the computer-numerically controlled machining centers in the GI machine shop. The machines can cut pieces of metal or plastic to extremely fine tolerances.