[ChristopherDrum]

Here's how a refinery works: https://www.myabandonware.com/game/simrefinery-e65 (built for Chevron, in fact)

And the manual: https://archive.org/details/sim-refinery-tour-book_202006/mo...

[EdwardDiego]

Reminds me of the shareware nuclear power plant sims built for a similar purpose I used to play.

[tosti]

If we're playing games, SpaceChem was one of the coolest games I've ever played.