Workshop Technology
In a bilateral system of tolerance, the tolerance is allowed on

Both sides of the nominal size
One side of the actual size
Both sides of the actual size
One side of the nominal size

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Workshop Technology
Swab is used for

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

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