See also:

What to Use
WARNING! Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warn ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...

Care of CDs
If playing a CD, the sound quality can be reduced due to disc quality, the method of recording, the quality of the music that has been recorded, and the way the disc has been handled. Handle ...