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 in a straight line along the length
Bending a sheet of metal along a curved axis
Cutting a sheet of metal through part of its length and then bending the cut portion

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Workshop Technology
A progressive limit gauge has

'Go' and 'Not go' member on the same side of the gauge
None of the listed here
'Go' member at one end and 'Not go' member at the other end
Separate 'Go' and 'Not go' members

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