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!!!!
Could a special rule for uranium 235 be added that lowers its liquefying and solidifying cost to 1 instead of 10? Now it takes for ever for a single refinery to output, which makes early game nuclear a lot less viable.