21.   His supervisor and a rookie firefighter on his truck had rushed into the bomb-torn building while he cleared debris from around a fireplug.

22.   It took nearly five minutes for seven arena workers to clear the debris.

23.   Jim and Virginia Davidson began clearing debris two days after returning to the rubble of their house.

24.   Months later, when the debris is cleared, transit workers will then have to carve away all that new concrete to rebuild the line.

25.   Once the Americans are done with Afghanistan and depart, will Pakistan again be left to clear the debris?

26.   Outside, the street was littered with branches, and city workers, toiling since early Saturday evening, continued to clear the debris.

27.   Positioned just inches off the rail, it clears minor debris off the rails.

28.   Rescue crews usually must clear debris by hand, often pausing to add metal braces to prevent cave-ins.

29.   Recovery efforts have focused on clearing the debris and providing emergency food and shelter.

30.   Small fires can clear the debris that accumulates on the forest floors, taking with it the fuel for larger, unmanageable blazes, he said.