The industry part of Advanced Autonomous Industries. Adds burner machines, some new intermediate ingredients, powered offshore pumps, and more. Alters tech and recipes. Other AAI mods are not required.
The turrets recipe playing with angels and bobs is using "basic electronic board", it should be using "basic circuit board" instead, otherwise turrets are useless and impossible to make at start, chaingunners became pointless to, specially if you go hell world or something like that...
When using something like Rampant or Pitch Black, there's no way to create a defensive perimeter or protect critical areas fast enough. It's just not possible to defend the factory yourself.