See also:

Relative humidity
Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used. ...

CD care and cleaning
● Handle a CD by its edges. Do not bend the disc. Never touch the surface of the disc. ● Always place the discs in the storage case when they are not being used. ● To clean a d ...

Compact disc (CD) with MP3 or WMA (models without Navigation System)
Terms: ● MP3 — MP3 is short for Moving Pictures Experts Group Audio Layer 3. MP3 is the most well-known compressed digital audio file format. This format allows for near “CD quality” ...