Which of the following statements about guarding techniques is true?
A. Guard the point of operation, in-running nip points, and rotating parts of tools.
B. Remove the guard from the tool while it is in use, then replace it when the job is completed.
C. Adjust the guard on the abrasive wheel to allow maximum exposure of the wheel surface.
D. Wear PPE because guards will not protect the operator from flying chips and sparks or moving parts of the tool.