Workshop Technology
In a simple die

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
Two or more operations are performed simultaneously at the single stroke of the ram
None of the listed here

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Workshop Technology
Linde welding uses

Oxidizing flame and leftward technique
Neutral flame and leftward technique
Neutral flame and rightward technique
Carburising flame and rightward technique

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Workshop Technology
Riddle is used for

Smoothing and cleaning out depressions in the mould
Reinforcement of sand in the top part of moulding box
Cleaning the moulding sand
Moistening the sand around the edge before removing pattern

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