Training Demo jig panel set that uses the DCS process management package, DeltaV of Emerson.
Process Control : Educational Equipment
Here you can see a scaled down version of the real thing, these are ways Paper, Oil and some Materials are processed in Big Factories. Study the control of processes like Level, Flow, Temperature, Pressure and the needed Actuators used to monitor and manage a stable multi-loop system.
Process Automation is needed to ensure quality of the output and safety of plant and environment. The most important thing is to make it energy efficient.