1.   The production lines ground to a halt for hours while technicians tried to debug software.

2.   Parts were always going wrong, and half the time computers were out of action as technicians laboriously tried to find and remedy faults.

3.   Bruck Buckingham, a Kennedy shuttle program spokesman, said technicians tried to open the door Tuesday with Columbia parked in its processing hanger.

4.   By afternoon it was still down as technicians tried to repair the damage and to ensure that the incident would not be repeated.

5.   Company technicians were trying to locate the cause of the problem, officials said.

6.   Computer technicians tried to recover the gigabytes of correspondence, journal entries, financial records and digital photos from the disk, but it was a total loss.

7.   Indeed, ExciteAtHome technicians try to make sure that is done when setting up new subscribers.

8.   Kenetech technicians were still trying to quantify overall damage, Kern said from Livermore, Calif.

9.   McCoy said the technicians were trying to carry out a task using incorrect equipment.

10.   Technicians there are trying to determine if the dress contained physical evidence of a sexual encounter with the president.