11.   Belger said that the agency was trying to hire and train additional technicians.

12.   A federal drug official said the agency was trying to work quickly on many bioterrorism issues, including anthrax vaccines, without sacrificing safety.

13.   A top Transportation Department official says the agency is trying to meet that goal.

14.   About five years ago, Summers led a successful letter-writing campaign against the archives when the agency tried to bar researchers from copying its tapes.

15.   Agencies also try to package models together, a sort of used-car-salesman tactic.

16.   Buntrock, the administrator of the service, said the agency has been trying to develop programs and regulations to clean up the problems.

17.   But as agencies try stepping up in class, there is always room to stumble.

18.   But Hurd said his agency tries to remove any variability from testing.

19.   But in the same place, other government agencies are trying to restore salmon and wildlife habitats.

20.   But most hot agencies try to cling to the world of runways and high-fashion magazine work.