[commandlinefan]

> most of civil engineering or most of plumbing

both fields that have strict educational and credential requirements to practice professionally. Both strictly - dare I say it - gate-kept.

[pjmlp]

Informatics as well, Informatics Engineering is a protected title in many countries.

While the exam can be avoided if one isn't into signing contracts and taking legal responsibility in project execution, the order still has a last word to say regarding which universities are allowed to actually claim that they give engineering titles in Informatics.