11.   The light-water reactors Russia still plans to build for Iran will yield plutonium, although it would have to be purified and machined to make a bomb.

12.   The light-water reactor Russia still plans to build for Iran will yield plutonium, although it would have to be purified and machined to make a bomb.

13.   This would have yielded enough plutonium, experts said, to build three or four bombs.

14.   U.S. officials say that could yield enough plutonium for three to four bombs.

15.   The United States has said the refuelling procedure could yield enough plutonium for at least four nuclear bombs.