Tech a Says That Flat Washers Act as a Bearing

Multiple Choice

Tech A says that flat washers act as a bearing surface, making it so that the bolt achieves the expected clamping force at the specified torque. Tech B says that lock washers are usually considered single use and should be replaced rather than reused. Who is correct?

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