1.   Experts have reported that rock falls have already begun, and that the ceiling of the chamber may collapse within two years.

2.   By alternating the voltage, he could make the bubble expand and collapse within a millionth of a second.

3.   Court records show the marriage collapsed within a month, apparently after the bride balked at converting to Islam.

4.   Plan B, a devaluation and debt moratorium cobbled together by young Russian reformers, collapsed within days.

5.   Resistance from the Haitian people would collapse within days.

6.   Sir William Rootes, a longtime leader of the British auto industry, told Hirst that his factory would collapse within two years.

7.   The roof on the passenger side was collapsed to within two feet of the floor.

8.   Then, as the jet slows, the water pressure increases , and the bubble collapses within a millisecond, producing the snapping sound.

9.   Other cease-fire agreements in December and January collapsed within hours.

10.   Previous truce deals reached in the past year, including one brokered by CIA chief George Tenet in June, collapsed within days.