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2. Chain-link fencing - Wikipedia

   en.wikipedia.org/wiki/Chain-link_fencing

   Chain-link fencing showing the diamond patterning A chain-link fence bordering a residential property. A chain-link fence (also referred to as wire netting, wire-mesh fence, chain-wire fence, cyclone fence, hurricane fence, or diamond-mesh fence) is a type of woven fence usually made from galvanized or linear low-density polyethylene-coated steel wire.

3. Fence - Wikipedia

   en.wikipedia.org/wiki/Fence

   Typical agricultural barbed wire fencing Sioux Mems Pro2 Split-rail fencing common in timber-rich areas A chain-link wire fence surrounding a field Portable metal fences around a construction site A snow-covered vaccary fence near Ramsbottom in Greater Manchester, UK Between fence and hedge: Acanthocereus tetragonus, laid out as a "living fence", rural area, Cuba

4. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   In the United States all the electric gate installations must meet Underwriters Laboratories 325 (UL 325) standard while in Europe installations must meet with the Machinery directive 2006/42/EC with EN13241-1 being the regulations concerning gates. [9] [10] [11] [12]

5. Four-quadrant gate - Wikipedia

   en.wikipedia.org/wiki/Four-quadrant_gate

   The gates can also be operated automatically, as long as the crossing is still checked for obstruction with a suitable detection technology. The first four-quadrant gate in the United States was installed in 1952. [1]: 7 They have become common for new installations and replacements since. Unlike the UK, many are automated by the rail line's ...

6. Snow fence - Wikipedia

   en.wikipedia.org/wiki/Snow_fence

   A snow fence, similar to a sand fence, is a barrier that forces windblown, drifting snow to accumulate in a desired place. Snow fences are employed primarily to minimize the amount of snowdrift on roadways and railways. Farmers and ranchers use snow fences to create drifts in basins for a ready spring water supply. [1]

7. Steel fence post - Wikipedia

   en.wikipedia.org/wiki/Steel_fence_post

   A steel fence post, also called (depending on design or country) a T-post, a Y-post, or variants on star post, is a type of fence post or picket. They are made of steel and are sometimes manufactured using durable rail steel. They can be used to support various types of wire or wire mesh. The end view of the post creates an obvious T, Y, or ...

8. Barbed wire - Wikipedia

   en.wikipedia.org/wiki/Barbed_wire

   Barbed wire, also known as barb wire, is a type of steel fencing wire constructed with sharp edges or points arranged at intervals along the strands. Its primary use is the construction of inexpensive fences , and it is also used as a security measure atop walls surrounding property.

9. Floodgate - Wikipedia

   en.wikipedia.org/wiki/Floodgate

   Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams , to adjust flow rates in sluices and canals , or they may be designed to stop water flow entirely as part of a levee or storm surge system.