41.   -- Although most airlines have departments whose job is to continually look for ways to improve safety, such departments are not required by law.

42.   Aides to Mayor Rudolph Giuliani said the main reasons were to improve safety, ease congestion and to keep business districts running smoothly.

43.   Although dangers still exist, Shope said, scientists have installed more sophisticated equipment to protect workers and to improve the safety of laboratory research into such infectious agents.

44.   But improving the safety of meat and poultry will not include irradiation, Taylor said.

45.   But Jim Keating, Kansas chairman and legislative coordinator for the Kansas Safe Kids Coalition, said the starting place for improving child safety was with lawmakers.

46.   But North Carolina has led a growing movement to license all drivers, legal residents or not, reasoning that the licensing and testing process will improve highway safety.

47.   But secret military tribunals will not improve our safety.

48.   But there is growing pressure from fast-food restaurants and consumers to improve the safety of ground beef.

49.   But they are expected to guide efforts to improve child safety in automobiles.

50.   But under Kizer, it emerged as a national leader in efforts to improve patient safety.