Sony VAIO VAIO Notebook Computer User Manual page 34

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Do not allow the media to get wet.
Do not use or store the media in a location that is subject to:
Extremely high temperatures, such as in a car parked in the sun
Direct sunlight
High humidity or places with corrosive substances
To prolong the life of the media, use the supplied storage case. See the
instructions that come with your media for more information on use.
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