File:Aeration tank of activated sludge sewage treatment plant near Adelaide.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	04:34, 13 October 2021		339 × 255 (22 KB)	EMsmile	Uploaded a work by Marcos von Sperling from {{subst:OP}} Marcos von Sperling with UploadWizard

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