• Fault-finding and Testing.
  • PLC's and Industrial Sensors and their applications.
  • Control systems used in processes and the processes themselves.
  • Hand signals for cranes and other machinery used in factories while positioning equipment to be installed.

If you haven't got some already, get yourself a good set of 4 or 5 lock-dogs and padlocks to fit to breakers in factories, people have a habit of turning breakers back on if thier equipment fails to work, regardless of if it is the circuit you are working on.
Back that up with Red lock-out tags so that people know a qualified person has locked out the energy source and the breaker has not merely tripped.
One other aspect of this kind of work is the fact that there is a certain amount of pressure on you to get gear working again in as shorter time as possible, time truly is money when a factory is down and there are people standing around doing nothing, these people are still being paid.