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Susan -- you should move your article to an independent page.
Susan check your DU article - it contains some factual errors -- you use Uranium for fission....but DU is what is left over after you take the U235 out and use it for fission (nuclear energy). The DU is primarily used by the military for weapons and shielding. Research a bit about it online. --Joshua 10:21, 16 November 2007 (PST)