21.   Regulations in the law require employers to keep detailed logs of when needle injuries occur and how they happen so that researchers can determine ways to prevent future incidents.

22.   Senior State and Defense Department officials said that it was too early to say what procedures might be instituted to prevent incidents like this one in the future.

23.   Senior State and Defense Department officials said that it was too early to say what procedures might be instituted to prevent incidents like this one.

24.   The panel, which includes social workers, prosecutors and advocacy groups, looks for ways to prevent similar incidents.

25.   They go through extensive training to prevent such incidents, but they do happen.

26.   They plan to sign an agreement on Thursday limiting the number of troops near the border and improving cooperation between them in the hope of preventing any incidents.

27.   To avoid such problems in the Brooklyn sweep, the department has given officers special training to prevent incidents of brutality or reckless gunfire.

28.   To prevent such incidents, the city has required some group homes to hire security guards and install video cameras and motion detectors.

29.   Top prosecutors have also outlined administrative changes to increase supervision of deputy prosecutors in the fraud unit to prevent similar incidents.

30.   Ultimately, Sund said he would like to see motels increase their security to help prevent future incidents like this.