Workshop Technology
Metal patterns are used for

Small castings
Large castings
Large scale production of castings
Complicated castings

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Piercing is an operation of cutting

A flat sheet to the desired shape
A cylindrical hole in a sheet of metal by the punch and the die
A hole (other than cylindrical) in a sheet of metal by the punch and the die
A number of holes evenly spaced in a regular pattern on a sheet of metal

ANSWER DOWNLOAD EXAMIANS APP