Workshop Technology
A pattern maker's shrinkage rule considers

All materials to be cast
All materials of the pattern
All pattern allowances
Only shrinkage allowance

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Workshop Technology
In a compound die

Two or more operations are performed simultaneously at the single stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Only one operation is performed at each stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram

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