Elecrical Engineering is used in a steel plant in many forms...
Power distribution.
Various control systems typically PLC or DCS control.
Data collection and networking. (grey area between...
e.g. in follow up of a gyro compass system, the o/p signal from pick off contacts is fed to the microcontroller for further transmission of corresponding ship's heading value
hardware design and implementation. The exact same as the application of a microprocessor. Many modern, high power digital systems are centered around a microprocessor.