| 11. | Packed inside the zirconium cladding are pellets of uranium oxide or other fissionable materials.
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| 12. | Within two years, Iraqi oil production will finance purchase of fissionable material and missiles.
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| 13. | As of August, the Iraqis lacked only the fissionable material needed for the weapons'core.
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| 14. | Thorium is a fissionable material used in thorium-based nuclear power.
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| 15. | Would Washington invest billions of dollars to keep the fissionable material flowing out of Russia?
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| 16. | They have more fissionable material than they have declared.
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| 17. | For example, consider an infinite sheet of fissionable material.
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| 18. | We don't know how terrorists will use the stolen fissionable material resulting from nuclear proliferation.
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| 19. | In 2003 the last fissionable material was removed.
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| 20. | The reactors, the diplomat said, are " incapable of producing fissionable material used in nuclear weapons.
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