Except there are. It’s why clean-room design [1] is a thing.
[1] https://en.wikipedia.org/wiki/Clean-room_design
What are you basing this on? Source?!?
I've personally done this in an aerospace context.
Except there are. It’s why clean-room design [1] is a thing.
[1] https://en.wikipedia.org/wiki/Clean-room_design