Removes all belts and adds pneumatic in/out stations (with built in inserters) that convert any/all items into fluid-like states for transport through pipes. Alternative lore: LIQUIFY EVERYTHING!!!!
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Furnaces, assembling machines, production chains.
More than just chests.
You are missing the adding "space age" as a needed dependency. Since "liquid iron" is a fluid in space age.