Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Grinding the cutting edges sharp
Increasing the hardness of die
Providing shear on tool
Increasing the hardness of tool

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Workshop Technology
Lancing 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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