Photos P PO4

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P po4. CA h2po4 2 ca3po42. CA(h2p04)2-x-ca3(po4)2. P-X-h3po4-ca3 po4. Ca3 po4 2 p.
CA h2po4 2 ca3po42. CA(h2p04)2-x-ca3(po4)2. P-X-h3po4-ca3 po4. Ca3 po4 2 p.

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