File:Physic degradation Biodegrad.png

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Physic_degradation_Biodegrad.png(689 × 597 pixels, file size: 51 KB, MIME type: image/png)

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current02:51, 20 November 2017Thumbnail for version as of 02:51, 20 November 2017689 × 597 (51 KB)Helena (talk | contribs)
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