Electric fence
Shock barrier to contain animals or people
Electric fence
An electric fence is a barrier that uses electric shocks to deter humans and animals from crossing a boundary. Most electric fences are used for agricultural purposes and other non-human animal control. They are also commonly used to protect high-security areas such as military installations or prisons, where a potentially lethal voltage may be applied. Virtual electric fences for livestock using GPS technology have also been developed.
Read on Wikipedia · Image Kreuzschnabel, CC BY-SA 3.0
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