1.   Among them are the removal of airport trash cans, like the one where the bomb was hidden, and the hiring of additional airport security personnel.

2.   Another skater, Brad Max, who works for a Kansas City investment firm, said he had never had problems with airport personnel.

3.   At smaller airports, airport security personnel would be drawn from local and state law enforcement.

4.   A Greek official said Tuesday that airport security personnel seized one in Athens last Wednesday, after it had passed through an X-ray machine undetected.

5.   After looking over radar information, talking to airport personnel and poring over topographic maps, Perini came up with a theory.

6.   Airline companies fought hard in the past against tighter airport security measures, including a requirement that airport security personnel undergo a thorough criminal background check.

7.   Airport personnel used bullhorns to alert travelers to flight delays.

8.   Airport personnel were calm yet apprehensive about what they believed was in store for the coming hours.

9.   Airport personnel would scan the card and verify that the passenger was the trustworthy person it described.

10.   Airport personnel will still rely on X-rays and bomb-detection systems as a first line of security checks.