The fullers are used

A. For finishing flat surfaces

B. For necking down a piece of work

C. For punching a hole

D. To finish the punched hole

Answer: Option B

Solution(By Examveda Team)

In metalworking, a fuller is a tool used to form metal when hot. The fuller has a rounded, either cylindrical or parabolic, nose and may either have a handle or a shank.
The shank of the lower fuller allows the fuller to be inserted into the hardy hole of the anvil.