>>>>>regulated professionals are not expected to be perfect,
>>>
>>>Correct. My son and daughter-in-law are both PE's (Professional Engineers) and after graduating from engineering school have passed rigorous exams administered by groups of their peers under state supervision before being able to call themselves PE's.
>>>My son has his own engineering firm and pays a bundle for professional liability insurance because, yes, professionals make mistakes all the time and they can be very costly.
>>
>>As it happens I'm a PE as well.
>Great, Al.
>I saw what they went through with those exams.
>Glen and Susan are both structural engineers who graduated from Penn State, where they met.
>What is your speciality?

Mechanical/Industrial, but I haven't practiced in that for many years.