11.   Stepladders are designed to be used fully opened with the side locks engaged.

12.   Sometimes a dialog box opens on the computer screen, asking the user which program should be used to open the file.

13.   Tanner is believed to be the smallest baby ever to receive a lifesaving procedure used to open a blocked aorta, the major artery of the heart.

14.   The FDA approved a catheter system that will be used to open blocked arteries in the heart.

15.   The process is a little like standing in front of a combination lock and coming up with numbers that could be used to open it.

16.   The wording is modeled after the impeachment resolution used to open the investigation into Richard Nixon and the Watergate scandal.

17.   These countdowns to Christmas, with the little windows that children used to open to get candy or see a picture, are all over the Web.

18.   These might be used to open a scene, for example.

19.   Unlike most other cities, Angelenos are used to open casting calls.

20.   Pakistan and India have fought two wars over Kashmir, which is divided between them by a cease-fire line that both sides use to open fire on one another.