11.   In some areas, fences have been erected to prevent damage and control population growth.

12.   It is also a good idea to notify your neighbors that you plan to erect a fence.

13.   The Capitol Police also proposed erecting a fence around the entire building.

14.   The nouveau riche were moving into old neighborhoods, tearing down vintage homes, building bigger ones and erecting giant fences.

15.   The six-foot-high fence was erected by New York City along part of one of its most important reservoirs as a barrier to illegal dumping.

16.   The trail appears to have been groomed by a giant trowel, fences erected on every turn to stop a fall.

17.   To heighten security, some Israelis erect fences around themselves and, increasingly, create barriers to the Palestinians.

18.   U.S. troops have been pouring concrete, erecting security fences and preparing for the men who are classified as detainees, not prisoners of war.

19.   When parents worried that toddlers might fall off a neighboring hill, a mesh fence was immediately erected.

20.   Would require retailers of swimming pools to inform customers of the additional costs they might face to comply with state safety requirements, such as erecting a fence.