Workshop Technology
In welding copper alloys with TIG arc welding

Any one of the listed here
Alternating current is used
Direct current with straight polarity is used
Direct current with reversed polarity is used

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Workshop Technology
In a compound die

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

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