Technician a Says That Abrasive Discs Cannot Cause Any Damage

Multiple Choice

Technician A says that abrasive discs cannot cause any damage to the engine or components. Technician B says that when using abrasive discs, some of the material may damage engine components, such as bearings, and should never be used. Who is correct?

A) Technician A
B) Technician B
C) Both technicians A and B
D) Neither technician A nor B