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The structural fence is a physical barrier designed to stop falling rocks from reaching the tracks. Several methods are used, including steel I-beams, wooden barriers, and galvanized fencing. Alternatively, netting can be installed directly against the rock.
A separation barrier or separation wall is a barrier, wall or fence, constructed to limit the movement of people across a certain line or border, or to separate peoples or cultures. [1] A separation barrier that runs along an internationally recognized border is known as a border barrier. [citation needed]
A pet fence or fenceless boundary is an electronic system designed to keep a pet or other domestic animal within a set of predefined boundaries without the use of a physical barrier. A mild electric shock is delivered by an electronic collar if its warning sound is ignored. The system was first invented and patented by Richard Peck in 1973. [1]
Cattle grid on country road. Cattle grids are usually installed on roads where they cross a fenceline, often at a boundary between public and private lands. [5] They are an alternative to the erection of gates that would need to be opened and closed when a vehicle passes, and are common where roads cross open moorland, rangeland or common land maintained by grazing, but where segregation of ...
The fence will initially be built along 3.7 kilometres (2.3 miles) at the busiest crossing from Slovenia into Austria, near Spielfeld. According to Austrian Interior Minister Johanna Mikl-Leitner , the barrier will be 2.2 metres high. [4]
Shark barriers work on the principle of excluding sharks from a designated swimming area. Shark barriers form an "underwater fence" from seabed-to-surface, beach-to-beach. Shark barriers are seen as a more environmentally friendly option as they largely avoid bycatch, however they cannot protect the same sized area as culling methods.
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