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2. Ladder paradox - Wikipedia

   en.wikipedia.org/wiki/Ladder_paradox

   The ladder paradox (or barn-pole paradox) is a thought experiment in special relativity. It involves a ladder, parallel to the ground, travelling horizontally at relativistic speed (near the speed of light) and therefore undergoing a Lorentz length contraction .

3. 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]

4. Bank barn - Wikipedia

   en.wikipedia.org/wiki/Bank_barn

   A bank barn in Delaware. Note its accessibility on two different levels. A bank barn or banked barn is a style of barn which is accessible from the ground, on two separate levels. Often built into the side of a hill or bank, the upper and the lower floors could both be accessed from the ground, one area at the top of the hill and the other at ...

5. Fireman's pole - Wikipedia

   en.wikipedia.org/wiki/Fireman's_pole

   A firepole in Cologne with a door at the entry. Losing one's grip on the pole can result in falling from a great height; the firefighter may hit an object such as a door extending from a truck; poor speed control can result in injured or even broken legs upon impact with the floor; and burns can occur due to friction if the skin rubs against ...

6. American historic carpentry - Wikipedia

   en.wikipedia.org/wiki/American_historic_carpentry

   It is built with corner post construction on the ground floor, half-timbered style of timber framing on the upper floor and has a less common style of wood roof shingles than typical in America. American historic carpentry is the historic methods with which wooden buildings were built in what is now the United States since European settlement.

7. Barndominium - Wikipedia

   en.wikipedia.org/wiki/Barndominium

   Due to their open-floor layout, barndominiums are highly customizable, [2] and can be constructed as one-story or two-story dwellings. In the United States , some companies purvey barndominium kits that are customizable relative to local or state building requirements and geographical elements, such as risks of earthquakes , snow load levels ...