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

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

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Workshop Technology
Notching is the operation of

Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion
Cutting a sheet of metal in a straight line along the length
Bending a sheet of metal along a curved axis

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