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FYI! I did NOT drill a hole through the cylinder. I only knicked it. (Big difference.) However, the engineers did give me a very intense job one night of drilling holes in a piece of steel. After working very hard at it (and after about 15 minutes of drilling) one of my students said, "Mrs. Ritchie! Your drill is in reverse.
Needless to say, I learned something that night.
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