11. New farm tariffs were to have replaced earlier protective barriers at the 1986-88 level. 12. Stucco has been traditionally used as a protective barrier on the exterior of lighthouses. 13. In the steel case, the administration withdrew the protective barriers rather than face retaliation. 14. Even if you use protective barriers , change your sheets weekly. 15. It is clear that the protective barrier has failed utterly. 16. A punctured tire sent his car into a protective barrier , and it became airborne. 17. The car bomb plowed into concrete blast walls and protective barriers surrounding the ministry offices. 18. The patina that develops over time also helps create a protective barrier around the brass. 19. The cell membrane is a protective barrier that regulates what enters and leaves the cell. 20. It was founded as a protective barrier against the Muslim Ottoman conquerors from the East.
