11.   Corrections officials have instituted several safeguards to prevent escapes.

12.   However, officials in Hood and Montague counties were notified Friday that their jails were still out of compliance with state rules meant to prevent escapes.

13.   In that case, strict controls to prevent the escape of transgenic DNA would be necessary.

14.   Instead K.V. Bhanujan, the official sent from Ahmedabad to take control of the city, sealed the hospital, dispatching Indian army troops to prevent further escapes.

15.   Once the device was in place, the surgeons removed any air pockets to prevent their escape into the blood to cause damage elsewhere in the body.

16.   The captives are to be held in small, cage-like cells that have been constructed on Guantanamo especially to prevent their escape.

17.   The children often work for rug makers and are sometimes chained to their looms to prevent their escape.

18.   The purpose was not only to see that no earth bacteria invaded the specimens before analysis, but to prevent the escape of any brought from the Moon.

19.   The rubber ring was of the kind used as an all-important seal in the rocket booster, designed to prevent the escape of dangerous hot gases.

20.   The sprawling complex uses mostly recycled water, preventing the escape of those rotten egg odors.