See also:

How to insert a CD (type A and C)
Hold a disc with a finger in the center hole while gripping the edge of the disc, then insert it into the slot (with the label side up) and the player will automatically pull the disc into position. ...

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test ...

Engine overheating
Never attempt to remove the radiator cap until the engine has been shut off and has fully cooled down. When the engine is hot, the coolant is under pressure. Removing the cap while the en ...