11.   Earlier that same day, SFO experienced a three-hour power outage when a high-voltage underground cable exploded during some construction work.

12.   Even with the economic crisis in Asia that exploded during the fourth quarter, PC companies benefited from steady demand.

13.   Movie-going in the city exploded during the second decade.

14.   My brain nearly exploded during trigonometry.

15.   Private capital flows exploded during the decade and brought investment to regions that had never before been integrated into the world economy.

16.   Supposedly, the confrontation between Murphy and Burns had been building for a couple of weeks before it exploded during the game at Ottawa.

17.   Ten days later, a bomb exploded during Sunday services at a black church in Birmingham, Ala., killing four girls.

18.   The field exploded during the past three years as physicians came under increasing pressure to provide more cost-effective care.

19.   The downtown housing market, powered by loft conversions, has exploded during the past several years.

20.   The French Transport Ministry also said that both tires on the aircraft exploded during takeoff apparently sending fragments into the engines and possibly piercing the fuel tanks.