While discussing pulleys, Technician A says that some engines use a vibration damper to minimize vibrations in the crankshaft that could cause it to crack or break. Technician B says that some engines do not use a damper. Instead they have a single-piece pulley with threaded holes to attach the drive belt pulley(s). Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: C

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Fill in the blank(s) with the appropriate word(s).

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