Lancing is the operation of

A)
bending a sheet of metal along a curved axis
B)
cutting a sheet of metal through part of its length and then bending the cut portion
C)
cutting a sheet of metal in a straight line along the length
D)
removal of metal to the desired shape from the edge of a plate

Correct Answer : Option (B) :   cutting a sheet of metal through part of its length and then bending the cut portion