Workshop Technology
During hot working of metals

Grain structure of the metal is refined
All of the listed here
Mechanical properties are improved due to refinement of grains
Porosity of the metal is largely eliminated

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Workshop Technology
In a simple die

None of the listed here
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
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

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