Adds more recipes to Foundries: engines, steam turbines, pumpjacks, etc. Allows casting engine units and space platforms directly from metal.
Small changes concerning balance, gameplay, or graphics.
Furnaces, assembling machines, production chains.
I was looking at the code and noticed the note about hand crafting engine units. I think using the category "metallurgy-or-assembling" instead of "pressing" would fix the issue.
