Workshop Technology
Tandem drawing of wires and tubes is necessary because

Surface finish improves after every drawing stage
Accuracy in dimensions is not possible otherwise
Annealing is needed between stages
It is not possible to reduce at one stage

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Workshop Technology
In a compound die

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