The fact that compressed air driven tools and machines are cost-effective and easy to maintain might also be the underlying reason why the whole compressed air system can be so neglected.
Electricians are experts on electricity. They know which cables to use in different environments. They also have to understand the dimensions of the cables to be used and which regulations to follow during an installation, related to cable channels, pipes, ducts and connectors.
This article discusses some unexpected discoveries that came about then compressed air system monitoring equipment was installed on some example systems.
The maintenance foreman of a local paint manufacturer had a morning ritual where he turned on his three compressors one-by-one at 6 am every morning like clockwork. He did so for as long as he could remember, since he started some 25 years ago.