The angular difference between true north and magnetic north is known as the angle of _____.

A) polarity
B) retribution
C) declination
D) magnetism

Hydraulic assist is supplied by the power steering system to a hydraulic power brake booster.

Permanent magnet motors have _____ efficiency than conventional field-wound motors.

A) higher
B) lower

_____________ ___________ lifts have the hydraulic cylinders buried in the concrete and the controls mounted above the ground.

Producing electricity from light involves the use of particles called __________.​