Workshop Technology
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Sand slinger
Jolt machine
Squeezing machine
Stripper plate machine

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Workshop Technology
Linde welding uses

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

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