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  2. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an obtuse angle. Karahafu: A type of gable found in some traditional Japanese buildings. Hidden roof: A type of Japanese roof construction.

  3. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Standing-seam metal roof with concealed fasteners. Mechanically seamed metal with concealed fasteners contains sealant in seams for use on very low sloped roofs, suitable for roofs of low pitch such as 0.5/12 to 3/12 pitch. Flat-seam metal with or without soldered seams. Steel coated with a coloured alloy of zinc and aluminium. Stone-coated ...

  4. Jethro Wood - Wikipedia

    en.wikipedia.org/wiki/Jethro_Wood

    Jethro Wood's plow design was later supplanted by the further improvements of John Deere, who furnished the plow with polished plowshares that enabled it to break up prairie sod. [ 25 ] After his death, Wood’s son, Benjamin Wood continued his battles against copy patents, working with Clay, Webster, and John Adams and securing a reform to the ...

  5. Plough - Wikipedia

    en.wikipedia.org/wiki/Plough

    This limited the construction to a small amount of wood (although metal edges were possible). These ploughs were fairly fragile and unsuitable for the heavier soils of northern Europe. The introduction of wheels to replace the runner allowed the weight of the plough to increase, and in turn the use of a larger mould-board faced in metal.

  6. Covering (construction) - Wikipedia

    en.wikipedia.org/wiki/Covering_(construction)

    Roofers in Germany,. In construction, covering is the exterior layer of a building's roof. The covering ensures waterproofing by directing and collecting rainwater.It also provides mechanical protection against various external elements such as dust and intrusions.

  7. American historic carpentry - Wikipedia

    en.wikipedia.org/wiki/American_historic_carpentry

    Building a palisade wall for the fort at Jamestown, Virginia The Golden Plow Tavern in York, PA, is a very unusual American building. 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.

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  9. Ard (plough) - Wikipedia

    en.wikipedia.org/wiki/Ard_(plough)

    In northern Europe the single-handled crook ard was favored, consisting of a stilt inserted into a pole with a crook-shaft, i.e., the pole had a curved shape and had a natural crook tip that served as a share. [7] Quadrangular ard. Later variations of the sole ard come in two types: the triangular and quadrangular ards.