Description: Public Domain Source httpscommonswikimediaorgwikiFileActivatedSludge1svg
By: Magirly
Date: 2013-08-28
Block Explorer: View Transaction
Downloads: 106
Filesize: 5597
Download
Activated Sludge 1 sourced from Openclipart is licensed under CC0 1.0
* Note: Date might not match original source and might be an educated guess.