Public domain photos

The image shows a drawing of a machine with a lot of pipes and valves, as well as a diagram of a water treatment system. The text accompanying the drawing provides further details about the system, such as its components and how they interact with each other.

The image shows a drawing of a machine with a lot of pipes and valves, as well as a diagram of a water treatment system. The text accompanying the drawing provides further details about the system, such as its components and how they interact with each other.Open in library