Workshop Technology
The metal is subjected to mechanical working for

Refining grain size
Reducing original block into desired shape
All of these
Controlling the direction of flow lines

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Workshop Technology
Swab is used for

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

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