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An industrial fabrication process stamps out thin metal pieces, each in the shape of a square with a circular hole in the middle, from a large thin sheet. These pieces are mounted in a large machine. As these pieces heat up during regular machine operation, the diameter of the circular hole will
A) decrease.
B) stay the same.
C) increase.
D) behave unpredictably causing the machine to malfunction.
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bio_manbio_man
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