1.   Although the growth has slowed since then, Clinton says the government must take steps to prevent another explosion of costs.

2.   An investigator still with the board said fixing one specific source of ignition would not do enough to prevent future explosions.

3.   Bomb squad experts first sandbagged the area, then lit a fuse and blew a small hole in the device to prevent an explosion.

4.   But for investigators, the central question has always been how to prevent similar explosions.

5.   But he managed to turn the power off the plane, preventing an explosion.

6.   Clinton insists that the government must take steps to prevent another explosion of costs.

7.   Critics have also questioned whether the valves save lives, noting that the devices do not prevent explosions but control the subsequent fires.

8.   His actions prevented another explosion.

9.   How could Clinton take action to prevent another explosion when he had no clue what caused the first one?

10.   In some cases, cemeteries open the sealed caskets before they are interred in a mausoleum in order to prevent such explosions.