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Wastewater treatment facility - Sewage Treatment. Also called municipal wastewater or sewage.
An industrial wastewater treatment pond is a vital facility for purifying contaminated water from manufacturing processes. It employs various methods to remove pollutants. Aerial view drone.
The water treatment facility at a copper mine and processing plant.
Aerial view of Drinking Water Treatment plants. Microbiology of drinking water production and distribution for big city from water management, water recycling.

Free stock photostreatment facility (3)

Man at a spa getting a stress-free massageImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-spa-getting-stressfree-massage-37160947">Image used under license from Freestock.com</a>
Woman massaging a man's back isolated over whiteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/woman-massaging-mans-back-isolated-white-37159906">Image used under license from Freestock.com</a>