In fact, the only thing that was similarity between his tubes and the alumumium tubes was that they're made of aluminium. And that old metal that hasn't been used in gas centrifuges since 1952.
Në fakt, e vetmja ngjajshmëri mes tubave është që janë nga alumini, dhe që ky metal i vjetër s'është shfrytëzuar në sektoret e gazit nga 1952.