Human+waste-+Auger

The auger is used to get excess solid waste out of the the flowing river water. This is the first step of treating human waste water. It then moves through the plant to clean it more thoroughly.

http://www.wef.org/uploadedImages/Publications/Product_Showcase/JWC%20SRS%20150.jpg?n=5278

Article- http://ga.water.usgs.gov/edu/wwvisit.html

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