Handle discs only by the outer edge or the center hole, never by touching the surface, top or bottom.

Discs are best stored upright (like a book) in cases that are designed specifically for CDs/DVDs.

Avoid scratches, top and bottom layers, by never placing a CD/DVD directly on any surface except its case or in a CD/DVD player/computer drive.

Avoid dropping CDs/DVDs, as this can cause microcracks that are not visible, but can occur on the inner dye layer of the disc where the data is located, and possibly render the disc unusable.

Do not apply any adhesive labels or stickers to the CD/DVD because they tend to release chemicals that are in the ink and adhesive which can penetrate and damage its contents or destroy the disc over time.

Do not use any pencil/pen/marker to write on the disc, except for special permanent markers that are safe for CD/DVD discs (marker must say “FOR RECORDABLE DISCS”).

Do not leave important CDs/DVDs in a car.  The extreme temperatures can warp the disc which can cause disc-wobbling and data-reading errors when you attempt to play it.

Avoid exposing discs, especially the bottom (data layer) of a CD/DVD, to the sun or ultraviolet light.

If dust/dirt is on the bottom layer of a CD/DVD, or the disc is "skipping" while playing it, try to blow it off with your breath or compressed air.  If cleaning smudges, use a clean, soft, lint-free cloth, wipe the surface, starting at the center and moving outward to the edge.  Wipe across the disc rather than in a circular motion, which can cause microscratches and damage the data readability of the disc.  If that doesn't work, dampen the cloth with distilled water and re-wipe.  Never use household cleaners, abrasives or solvents on CDs/DVDs.

Back-up your CD and DVD photos and data onto another disc or computer hard-drive.  It's always good to have a back-up copy, and I strongly recommend it!

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