bottleopener1
A round 1/4-inch punch is applied to a yellow-hot workpiece
Description:
Use a punch to begin to create a hole in the center of the bottle opener head.
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A round 1/4-inch punch is applied to a yellow-hot workpiece
Alt text:
A round 1/4-inch punch is applied to a yellow-hot workpiece.
Caption:
Use a punch to begin to create a hole in the center of the bottle opener head.
Credit:
Credit: Image courtesy of MIT OpenCourseWare.
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Fall
2008
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