Workshop Technology
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

Washing it with water
Rubbing on wood
Washing it with dilute acid
Using file card

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Lancing is the operation of

Cutting a sheet of metal in a straight line along the length
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
Bending a sheet of metal along a curved axis

ANSWER DOWNLOAD EXAMIANS APP