Posted by wisbaker on December 16, 2011 at 09:36:01 from (207.118.191.82):
In Reply to: Hearing loss posted by oldironman on December 16, 2011 at 06:59:37:
In college a Ag Engineering professor told us a story. Seems back in the 40's a college in Iowa got a grant to study hearing loss, tested all incomming freshmen and 50% of them had hearing loss in their left ear. This puzzled the MDs doing the study and they figured grant dollars would flow to study this new malady. One of the Doctors was in the university club bragging to his colleagues about the grant he was going to get to study this problem, an Agriculture professors asks the Doctor, "is the hearing problem only in males?" the doctor runs back and looks at the data, sure enough the mystery hearing loss is mostly in males. He calls up the Ag guy and asks him how he knew that, the reply, "well when you drive a tractor you look over your right shoulder, that cocks your left ear to the exhaust stack, that kills the hearing in your left ear" I guess there are some college professors with common sense
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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