Two technicians were discussing the procedure for piston ring service. Technician A stated that as the piston goes rapidly up and down in the​ cylinder, it tosses the rings to the top and to the bottom of the ring grooves. Technician B stated that the pounding of each ring in its groove gradually decreases the piston ring side clearance. Which of the following statements about this scenario is​ true?
a. Only Technician A is correct.
b. Only Technician B is correct.
c. Both Technicians A and B are correct.
d. Neither Technician A nor B is correct.