A few days ago I was having some work done at my local garage. A blonde came in and asked for a seven-hundred-ten. We all looked at each other and another customer asked, "What is a seven-hundred-ten?"

She replied, "You know, the little piece in the middle of the engine, I have lost it and need a new one.." She replied that she did not know exactly what it was, but this piece had always been there. The mechanic gave her a piece of paper and a pen and asked her to draw what the piece looked like. She drew a circle and in the middle of it wrote 710.

He then took her over to another car which had its hood up and asked "is there a 710 on this car?" She pointed and said, "Of course, its right there." If you're not sure what a 710 is http://www.hotautoweb.com/cogifs/710.jpg

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Why do they sterilize the needles for lethal injections?