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Best practices also include complementing anti-trespass panels with signage and fencing, preferably fencing that cannot be cut or easily climbed, [d] for distances as long as 500 m (1,600 ft) from the station or crossing. [4] Installation of CCTV near the access points protected by the panels is also recommended. The area near the crossing ...
Silt fence installed up-slope of a vegetated stream buffer. A silt fence, sometimes (misleadingly) called a filter fence, [1] is a temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment (loose soil) in stormwater runoff.
A via fence consists of a row of via holes, that is, holes that pass through the substrate and are metallised on the inside to connect to pads on the top and bottom of the substrate. In a stripline format both the top and bottom of the dielectric sheet are covered with a metal ground plane so any via holes are automatically grounded at both ends.
A cable barrier separating lanes on a 2+1 road in Sweden. A cable barrier, sometimes referred to as guard cable or wire rope safety barrier (WRSB), is a type of roadside or median safety traffic barrier/guard rail. It consists of steel wire ropes mounted on weak posts.
Most common was a small concrete bunker known as an "earth bunker" (Erdbunker), usually recessed into a depression in the ground with a view along the guard road and border fence. It was constructed from two base sections, each 0.8 metres (2.6 ft) high with a cross-section of 1.8 by 1.8 metres (5.9 ft × 5.9 ft).
An IDF Caterpillar D9 armored bulldozer equipped with slat armor surrounding its driver's cab. Slat armor (or slat armour in British English), also known as bar armor, cage armor, and standoff armor, is a type of vehicle armor designed to protect against high-explosive anti-tank (HEAT) attacks, as used by anti-tank guided missiles (ATGMs) and rocket-propelled grenades (RPGs).
Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...
The dark section at left is where the border crosses Mount Cristo Rey, an unfenced rugged area. The Secure Fence Act of 2006, signed into law on October 26, 2006, by President George W. Bush [36] authorized and partially funded the potential construction of 700 miles (1,100 km) of physical fence/barriers along the Mexican border. The bill ...