Don't know much geometry

摘要

THEY LAY AMONG THE CLUTTER ON HIS workbench - the orientation notes from a week-long seminar I presented to operations and maintenance describing the chlorine plant.Yes,they were dog-eared and coffee-stained;they could have come from my desk.Instead,here they were on Denny's workbench - I didn't even know he could read! When I asked him about it,he said,without flattery,"You're the only engineer that ever bothered to tell us how the plant works." It was one of the greatest compliments I ever received.