11.   In such tests, plutonium is blasted with explosives too weak to set off the self-sustaining nuclear reaction of an atomic explosion.

12.   In the tests, plutonium is blasted with conventional explosives not quite strong enough to set off the self-sustaining nuclear reaction that constitutes an atomic explosion.

13.   Russia uses Novaya Zemlya to conduct subcritical test blasts of nuclear weapons, in which plutonium is blasted with explosives too weak to set off an atomic explosion.

14.   The United States hinted at easing longstanding sanctions against Pakistan if it refrained from following neighboring India in atomic explosions.

15.   Unlike central Hiroshima, the middle of Nagasaki escaped destruction because Mount Kompira blocked the force of the atomic explosion.

16.   These resumed on Sunday with Asian and Pacific nations reacting angrily to the sixth test and demanding assurances from Paris that there would be no further atomic explosions.

17.   Nations in Asia and the Pacific reacted angrily Sunday to the sixth French nuclear test and demanded assurances from Paris that there would be no further atomic explosions.

18.   Protests against the tests resumed Sunday with Asian and Pacific nations demanding assurances from Paris that there would be no further atomic explosions.