File:Activated sludge sewage treatment plant aeration tank.png
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Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 1,540 × 1,155 pixels.
Original file (1,540 × 1,155 pixels, file size: 3.81 MB, MIME type: image/png)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:34, 7 October 2021 | 1,540 × 1,155 (3.81 MB) | wikimediacommons>EMsmile | Uploaded a work by Marcos von Sperling from {{subst:OP}} with UploadWizard |
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