Cleanroom
This room must be clean.
Good info on this page
https://www.reddit.com/r/feedthebeast/comments/6v8egi/some_observations_on_gregtech_cleanrooms/
This room must be clean.
Good info on this page
https://www.reddit.com/r/feedthebeast/comments/6v8egi/some_observations_on_gregtech_cleanrooms/