11.   On Friday the zoo held a contest for visitors, to guess the combined weight of four female elephants.

12.   The combined weight of these messages should make it impossible for the House to backtrack.

13.   At the Olympics, standings are determined by the combined weight of the two lifts.

14.   But the power-sharing government soon collapsed under the combined weight of a Protestant general strike and Irish Republican Army violence.

15.   Many said they had tried to hang on in Kosovo but finally gave up under the combined weight of bombings and Serb police repression.

16.   Many said they had tried to hang on in Kosovo but finally gave up under the combined weight of NATO bombing and Serb police repression.

17.   The combined weight of all ants on earth is more than the weight of all humans.

18.   The state contended the baby died when a crude ladder used in the kidnapping broke under the combined weight of Hauptmann and the child.

19.   But Environment Canada warned that a major thaw expected throughout Monday could lead to floods and to roofs collapsing under the combined weight of snow, ice and rainfall.