You Are Instructing a First-Aid Class at a Local Chemical

You are instructing a first-aid class at a local chemical plant. The course includes instruction regarding an AED that is to be placed in the plant. What point would you emphasize about the most common cause of AED failure?

A) "The batteries must be checked regularly."
B) "An extra set of electrodes should be kept in the AED."
C) "The AED should be kept clean and undamaged."
D) "Always check the electrode wires for cracks."