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Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams , to adjust flow rates in sluices and canals , or they may be designed to stop water flow entirely as part of a levee or storm surge system.
Cattle grid on country road. Cattle grids are usually installed on roads where they cross a fenceline, often at a boundary between public and private lands. [5] They are an alternative to the erection of gates that would need to be opened and closed when a vehicle passes, and are common where roads cross open moorland, rangeland or common land maintained by grazing, but where segregation of ...
The frame itself was so light that it could be carried on the shoulders of the men transporting the ram, and the same men could beat the ram against the wall when they reached it. [ 3 ] Many battering rams had curved or slanted wooden roofs and side-screens, covered in protective materials, usually fresh wet hides.
A gate is an area in an airport terminal that controls access to a passenger aircraft.While the exact specifications vary from airport to airport and country to country, most gates consist of a seated waiting area, a counter and a doorway leading to the aircraft.
Latrobe Gate, a Greek Revival and Italianate gatehouse built in 1806, Washington, D.C. Lorraine Park Cemetery Gate Lodge, a Queen Anne style stone and frame building constructed in 1884, Woodlawn, Baltimore County, Maryland.
A wooden turnstile for keeping livestock penned in (Zwierzyniec, Poland).A circa-1930 turnstile and kiosk at the Bath Recreation Ground. Turnstiles were originally used, like other forms of stile, to allow human beings to pass while keeping sheep or other livestock penned in. [citation needed] The use of turnstiles in most modern applications has been credited to Clarence Saunders, who used ...
A kissing gate is a gate that allows people, but not livestock, to pass through. The normal construction is a half-round, rectangular, trapezoidal or V-shaped part-enclosure with the free end of a hinged gate trapped between its arms. When the gate is touching an arm it must be pulled or pushed to pass through.
A phase-gate process (also referred to as a waterfall process) is a project management technique in which an initiative or project (e.g., new product development, software development, process improvement, business change) is divided into distinct stages or phases, separated by decision points (known as gates).
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