Power brakes? * A. Require less foot pressure to operate than standard brakes
B. increase the distance needed to stop the car
C. Keep your vehicle in place when parked
D. Have been required on all passenger cars manufactured since 1985

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing