The smelters had 6 unloading and 6 loading bays each; green circuits had 2 unloading bays for iron and 2 for copper, and 3 loading bays. Designing both the smelters and circuit plants to have a ...

I generally make batteries at the oil refinery and then run those onto the bus. If the refinery is making sulfuric acid, you need iron, so all you need to make batteries there is to change a full iron ...