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Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.
Typically, school bus crossing arms are wire or plastic devices which extend from the front bumper on the right side of the bus when the door is open for loading/unloading and form a barrier. The devices force children , who need to cross the road, to stand several feet in front of the bus itself before they can begin to cross the road.
A barrier transfer machine, also known as zipper machine or road zipper, is a type of heavy vehicle that is used to transfer concrete lane dividers, such as Jersey barriers, in order to relieve traffic congestion during rush hours. Many other cities use them temporarily during construction work.
Class arrangement refers to a layout of the physical setup of chairs, tables, materials in a school classroom.In most countries, this arrangement is often chosen by a paid, professional teacher with the assistance of a seating chart.
The F-shape barrier is a concrete crash barrier, originally designed to divide lanes of traffic on a highway. It is a modification of the widely used Jersey barrier design, and is generally considered safer. [1] A parametric study, one that systematically varies the parameters, was done through computer simulations of barrier profiles labeled A ...
A Bremer wall, or T-wall, is a twelve-foot-tall (3.66 m) portable, steel-reinforced concrete blast wall of the type used for blast protection throughout Iraq and Afghanistan. The Bremer barrier resembles the smaller 3-foot-tall (0.91 m) Jersey barrier, which has been used widely for vehicle traffic control on coalition military bases in Iraq ...
An open classroom is a student-centered learning space design format which first became popular in North America in the late 1960s and 1970s, with a re-emergence in the early 21st century. [ 1 ] Theory
Closeup of a YKK zipper on blue jeans. The YKK Group (YKKグループ, Waikeikei Gurūpu) is a Japanese group of manufacturing companies. They are the world's largest zipper manufacturer, also producing other fastening products, architectural products, plastic hardware and industrial machinery.
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