Technician a Says That When Inspecting Kingpins Minor Abrasive Wear

Multiple Choice

Technician A says that when inspecting kingpins minor abrasive wear is not significant if it has not penetrated the hard-surfacing.Technician B says that after installation,kingpin bushings should be broached into their bores.Who is correct?

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