While Having a Discussion About Hammers, Technician a Says That

Multiple Choice

While having a discussion about hammers, Technician A says that pounding on a chisel with too large a hammer can cause chips in the chisel head. Technician B says that a hammer head should be no more than 3.8" larger in diameter than the head of the punch or chisel. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B