File:Trickling filter sewage treatment plant in Brazil.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	02:34, 7 October 2021		2,166 × 1,625 (7.53 MB)	EMsmile	Uploaded a work by Marcos von Sperling from {{subst:OP}} with UploadWizard

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Horizontal resolution	129.92 dpc
Vertical resolution	129.92 dpc