Civilian employees. There are roles in the police department that can be performed by people who are not actual police officers. In a civilian capacity, you can still work with the South African Police Service. You might help them out with career or strategic management.
Yes, I agree that Haag's term functional damage is not in the policy and for that reason I am not a fan of it either. i dont use it. But, Haag's definition of functional damage is a good one.....loss of water shedding capabilities or reduction in long term usefulness. That makes sense.....either the roof leaks or it aint gonna last as long as it would have otherwise. If you clearly have either of those, you have damage.
Historically, functional restoration is a term that was initially used for a variety of pain rehabilitation programs characterized by objective measure of physical function, intensive graded exercise, and multi-modal pain/disability management with both psychological and case management features.