It is also possible to place it right next to each other like in the screenshot. Circuit takes care with a RS-FlipFlop that only one Uranium-235 will be taken out of the process. The rest will be inserted again into the Centrifuge.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
It is also possible to place it right next to each other like in the screenshot. Circuit takes care with a RS-FlipFlop that only one Uranium-235 will be taken out of the process. The rest will be inserted again into the Centrifuge.