File:Ozone cracks in tube1.jpg
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Ozone_cracks_in_tube1.jpg (510 × 270 pixels, file size: 24 KB, MIME type: image/jpeg)
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|current||07:33, 11 April 2019||510 × 270 (24 KB)||NordNordWest||Transferred from en.wikipedia via #commonshelper|