Technician A says that a compression test of an engine's cylinders is the best method to use to diagnose a worn-out engine. Technician B says that measuring crankcase pressure is the best method to identify a worn-out engine. Who is correct?
A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

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The Answer of Technician A says that a compression test of an engine's cylinders is the best method to use to diagnose a worn-out engine. Technician B says that measuring crankcase pressure is the best method to identify a worn-out engine. Who is correct?
A)Technician A
B)Technician B
C)Both A and B
D)Neither A nor B

Technician a Says That a Compression Test of an Engine's