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A bollard is a sturdy, short, vertical post. The term originally referred to a post on a ship or quay used principally for mooring boats. In modern usage, it also refers to posts installed to control road traffic and posts designed to prevent automotive vehicles from colliding with pedestrians and structures.
Ridge – A post extending from the ground or foundation to the ridge beam. Samson – similar to a prick post or puncheon. Puncheon: 1) A short, stout post may be identical to a prick post; 2) Puncheon may also mean a split log or heavy slab of timber with the face smoothed, used for flooring or construction.
Yooroonah Tank Barrier is a heritage-listed former tank barrier on Waterfall Way, Ebor, New South Wales, Australia.It was designed by Eastern Military Command (Australian Government) and built in 1942 by the Department of Main Roads, the Dumaresq Shire, local workers and miners.
A tetrapod is a form of wave-dissipating concrete block used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Tetrapods are made of concrete , and use a tetrahedral shape to dissipate the force of incoming waves by allowing water to flow around rather than ...
A beverage company's secret recipe. An innovative manufacturing process. A social media platform's proprietary feed algorithm. A sales team's closely guarded customer list.
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Concrete sealers are applied to concrete to protect it from surface damage, corrosion, and staining. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials from passing.
The quality of data is hard to separate from the quality of governance. The state’s machinery works only if the data it is using to make its decisions is sound and fair. After all, a nation is an act of invention—an abstract, uncanny idea made real every day by a million concrete things that citizens decide they want for themselves.