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qader 02-09-2012
qader - Pakistan Institute of Engineering and Applied Sciences, Islamabad (PIEAS)
Drawing is a sheet metalworking operation used to produce cup-shaped or box-shaped, or other complex-curved, hollow parts. Drawing is accomplished by placing a piece of sheet metal over a die cavity and then using a punch to push the metal into the cavity.
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aghanashin 01-11-2012
aghanashin - Global University (MO)
"Linen material doing work: chopping, punching, deflection, flip, pressing, sketching, and embossing metals, along with systems for identical "
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