perimeter fence → περιμετρικός φράχτης
Demarcation of a perimeter, when the protection of assets, personnel or buildings is required, is normally effected by the building of a perimeter fence system. The level of protection offered varies according to the threat level to the perimeter. Different types of perimeter fencing include:
Timber fencing
Palisade fencing
Welded wire mesh fence fencing
Chain-link fencing
Rolled mesh fencing
Metal railings
Perimeter fence - Wikipedia