Technician a says that most crankshafts can be reground to be 0.010, 0.020, or 0.030 inch undersize. technician b says that most engine bearings are constructed with an aluminum shell for strength and are covered with a tin-lead alloy. which technician is correct?

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

The answer is epidermis