If [sprays are] used, people can protect themselves by opening Windows, avoiding the application near the breathing zone, and by using masks or other types of personal respiratory protection.
For the first two or three months at her new job, she spent most of her spare time exploring every corner of this "cultural relic protectionzone," an area of a little over two square kilometers.
This is Bin Laden's comfort zone, where he enjoys the protectionof Pashtunwali, the honour code that makes the local tribes fiercely protective of their guests.