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A structural component made of straight wood or metal members, usually in a triangular pattern, with "pinned" connections at the top and bottom chords and which is used to support structural loads, as...

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A small tower that projects vertically from the wall of a building such as a medieval castle. Source:

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A wedge-shaped or tapered stone between the springer and the keystone used to construct an arch. Source:

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A spiral, scroll-like ornament that forms the basis of the Ionic order. Source:

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Vierendeel truss

A rectilinear truss usually fabricated of steel or concrete with horizontal top and bottom chords and vertical web members (no diagonals) in which the loads imposed on it are transferred to the suppor...

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Ventilation shaft

A small, vertical space within a tall building which permits ventilation of the building. Source:

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Traditionally, a cellar or storage room. In modern usage, a ground-level area that is relatively open to the sides, but covered by the building above. Source:

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Passageway of a central passage plan house, or the complex as a whole, in Territorial or Territorial Revival architecture in the American Southwest. Source:

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A temple tower of the ancient Mesopotamian valley, having the form of a terraced pyramid of successively receding stories. Source:

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