Mini CD - Wikipedia
CD-R - Wikipedia
Compact Disc – Wikipedia
Porpita porpita - Hydrozoa - Wikipedia. Porpita porpita has a small disc like body and floats freely in the water column. Related to the jellyfish, thi…
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Compact Disc – Wikipedia
upload.wikimedia.org/wikipedia/commons/e/ed/Compac
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Accretion disk - Wikipedia
upload.wikimedia.org/wikipedia/commons/thumb/9/98/