Technician a Uses a Chalk Mark to Index the Position

Multiple Choice

Technician A uses a chalk mark to index the position of the rear U-joint and pinion flange. Technician B, when removing drive axles, scribes marks on the suspension and steering parts to ensure that the wheel alignment will be close after reassembly. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B