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2. Railway slide fence - Wikipedia

   en.wikipedia.org/wiki/Railway_slide_fence

   The mechanical slide fence parallel to the rails consists of a series of tensioned wires strung about 10 inches (25 cm) apart on poles. When a rock slide occurs, one or more of the wires may break, allowing heavy weights attached to either end to drop. This triggers the protecting signals to the 'danger' position.

3. Pike pole - Wikipedia

   en.wikipedia.org/wiki/Pike_pole

   The head of a pike pole with various implements for pulling items The head of a short firefighter's pike pole. A pike pole is a long metal-topped wooden, aluminium or fiberglass pole used for reaching, hooking and/or pulling on another object. They are variously used in boating, construction, logging, rescue and recovery, power line maintenance ...

4. Split-rail fence - Wikipedia

   en.wikipedia.org/wiki/Split-rail_fence

   Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...

5. Pole building framing - Wikipedia

   en.wikipedia.org/wiki/Pole_building_framing

   Pole building design was pioneered in the 1930s in the United States originally using utility poles for horse barns and agricultural buildings. The depressed value of agricultural products in the 1920s, and 1930s and the emergence of large, corporate farming in the 1930s, created a demand for larger, cheaper agricultural buildings. [2]

6. Lumber - Wikipedia

   en.wikipedia.org/wiki/Lumber

   Plastic fiberglass structural lumber can have a "class 1 flame spread rating of 25 or less, ... utility poles, marine piles, decks, fences and other outdoor ...

7. Roundpole fence - Wikipedia

   en.wikipedia.org/wiki/Roundpole_fence

   The fence construction generally consists of 3 or 4 parts: uprights put together in pairs, round poles laid horizontally or diagonally between the two uprights, and binding cord usually made from young saplings - and sometimes also diagonal bracing. The fence is usually 1.5–2 metres tall.