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Crinkle crankle wall in Bramfield, Suffolk. A crinkle crankle wall, also known as a crinkum crankum, sinusoidal, serpentine, ribbon or wavy wall, is an unusual type of structural or garden wall built in a serpentine shape with alternating curves, originally used in Ancient Egypt, but also typically found in Suffolk in England.
A brick is a type of construction material used to build walls, pavements and other elements in masonry construction. Properly, the term brick denotes a unit primarily composed of clay , but is now also used informally to denote units made of other materials or other chemically cured construction blocks.
A leaf is as thick as the width of one brick, but a wall is said to be one brick thick if it as wide as the length of a brick. Accordingly, a single-leaf wall is a half brick thickness; a wall with the simplest possible masonry transverse bond [definition needed] is said to be one brick thick, and so on. [21]
Dry stone walls in the Yorkshire Dales, England. Dry stone, sometimes called drystack or, in Scotland, drystane, is a building method by which structures are constructed from stones without any mortar to bind them together. [1]
Roman bricks in the Jewry Wall, Leicester.The 20th-century bracing arch in the background utilises modern bricks. Roman brick is a type of brick used in ancient Roman architecture and spread by the Romans to the lands they conquered, or a modern adaptation inspired by the ancient prototypes.
Bolt thrust or breech pressure is a term used in internal ballistics and firearms (whether small arms or artillery) that describes the amount of rearward force exerted by the propellant gases on the bolt or breech of a firearm action or breech when a projectile is fired.
A 10 ft (3.0 m) x 10 ft (3.0 m) shack would take approximately 1,000 bottles to build. In 1963, 100,000 WOBOs were produced in two sizes, 350 and 500 mm. This size difference was necessary in order to bond the bottles when building a wall, in the same way as a half brick is necessary when building with bricks.
The Diyarbakir city walls measure up to 5.8 km (3.6 mi) long. [17] They form a ring around the old city that is over 3 miles in circumference. The walls are over 33 feet high and are about 10–16 feet thick. [6] They are the widest and longest complete defensive walls in the world after the Great Wall of China.