I forget to mention that I also have blue potions automated. I think i'll continue with this factory. Thanks for your replies!

I currently have a good copper smelter and an iron smelter that needs improvement. I can automaticaly make green, red and yellow potions. I also have a setup for all the circuit boards. my oil setup is a mess. I also have no main bus. all the iron and copper is transported arround my factory with 1 ...