The actual engineering professions have professional certifications that you have to attain to be allowed to do much of the (especially safety-critical) work of

The actual engineering professions have professional certifications that you have to attain to be allowed to do much of the (especially safety-critical) work of the profession [0] without supervision. [0] https://www.nspe.org/resources/licensure/what-pe https://www.nspe.org/resources/licensure/what-pe