Workshop Technology
For gas welding, the pressure desired at the welding torch for oxygen is

560 to 840 kN/m²
280 to 560 kN/m²
7 to 103 kN/m²
70 to 280 kN/m²

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Workshop Technology
In a simple 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
None of the listed here
Two or more cutting operations are performed at one station of the press in every stroke of the ram

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