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2. Ha-ha - Wikipedia

   en.wikipedia.org/wiki/Ha-ha

   Comparison of a ha-ha (top) and a regular wall (bottom). Both walls prevent access, but one does not block the view looking outward. A ha-ha (French: hâ-hâ [a a] ⓘ or saut de loup [so də lu] ⓘ), also known as a sunk fence, blind fence, ditch and fence, deer wall, or foss, is a recessed landscape design element that creates a vertical barrier (particularly on one side) while preserving ...

3. Picket fence - Wikipedia

   en.wikipedia.org/wiki/Picket_fence

   By far the most time-consuming part of installing a picket fence is setting the posts. Painting with a picket fence. There are some vinyl picket fence systems on the market that are installed without digging holes or pouring concrete. These are installed by driving pipe deep into the ground, which is how chain link fence has been installed for ...

4. Silt fence - Wikipedia

   en.wikipedia.org/wiki/Silt_fence

   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.

5. Agricultural fencing - Wikipedia

   en.wikipedia.org/wiki/Agricultural_fencing

   Log fences or split-rail fences were simple fences constructed in newly cleared areas by stacking log rails. Earth could also be used as a fence; an example was what is now called the sunken fence, or "ha-ha," a type of wall built by digging a ditch with one steep side (which animals cannot scale) and one sloped side (where the animals roam).

6. Contour plowing - Wikipedia

   en.wikipedia.org/wiki/Contour_plowing

   Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour line furrows create a water break, reducing the formation of rills and gullies during heavy precipitation and allowing more time for the water to settle into the soil. [ 1 ]

7. Fence - Wikipedia

   en.wikipedia.org/wiki/Fence

   A fence is a structure that encloses an area, typically outdoors, and is usually constructed from posts that are connected by boards, wire, rails or netting. [1] A fence differs from a wall in not having a solid foundation along its whole length. [2] Alternatives to fencing include a ditch (sometimes filled with water, forming a moat).

8. List of This Old House episodes (seasons 11–20) - Wikipedia

   en.wikipedia.org/wiki/List_of_This_Old_House...

   Tom Wirth and Hazel lay out the plants for the front garden and a picket fence is installed. Master carpenter Norm Abram and Abel discuss the upcoming lead reinspection for the stripped trim on the first floor and take a look at the store-bought old-style trim on the second floor.

9. Cellular confinement - Wikipedia

   en.wikipedia.org/wiki/Cellular_confinement

   Early research (Bathurst and Jarrett, 1988) [13] found that cellular confinement reinforced gravel bases are "equivalent to about twice the thickness of unreinforced gravel bases" and that geocells performed better than single sheet reinforcement schemes (geotextiles and geogrids) and were more effective in reducing lateral spreading of infill under loading than conventional reinforced bases.