How does it decide which input to take from? It seems one side only gets taken from if there is a gap in the other.

It would be nice to be able to press a hotkey and have nearby item ghosts be placed if you have the item in your inventory. Combined with moving blueprints to earlier in the tech tree this would allow you to copy paste before researching all the way to construction robots. Maybe the early blueprints...

What I'd like is a valve that opens based on pressure. So you set the valve to 5 units, and if either side fills up to that amount it opens automatically.

Is there any way of getting rid of all the solid fuel I am accumulating? I am running a few refineries to produce petroleum gas for plastics, but the heavy oil is only useful for lubricant, and light oil doesn't seem to be used for anything other than fuel. An option to just burn/dump it would be ni...