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2. Open web steel joist - Wikipedia

   en.wikipedia.org/wiki/Open_web_steel_joist

   In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span between bearing points. The main function of an OWSJ is to provide direct support for roof or floor deck and to transfer the load imposed on the deck to ...

3. Exposition Universelle (1889) - Wikipedia

   en.wikipedia.org/wiki/Exposition_Universelle_(1889)

   The Exposition Universelle of 1889 (French pronunciation: [ɛkspozisjɔ̃ ynivɛʁsɛl]), better known in English as the 1889 Paris Exposition, was a world's fair held in Paris, France, from 6 May to 31 October 1889. It was the fifth of ten major expositions held in the city between 1855 and 1937. [a] It attracted more than thirty-two million ...

4. Steel - Wikipedia

   en.wikipedia.org/wiki/Steel

   Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Because of its high tensile strength and low cost, steel is one of the most commonly manufactured materials in the world. Steel is used in buildings, as concrete reinforcing rods, in bridges, infrastructure, tools, ships, trains ...

5. Washington Park (Portland, Oregon) - Wikipedia

   en.wikipedia.org/wiki/Washington_Park_(Portland...

   Washington Park is a public urban park in Portland in the U.S. state of Oregon. It includes a zoo, forestry museum, arboretum, rose garden, Japanese garden, amphitheatre, memorials, archery range, tennis courts, soccer field, picnic areas, playgrounds, public art and many acres of wild forest with miles of trails.

6. Uttam Galva Steels - Wikipedia

   en.wikipedia.org/wiki/Uttam_Galva_Steels

   Net income. ₹1,024.7 million (US$12 million) (2009–2010) Number of employees. ~18,000. Website. www.uttamgalva.com. Uttam Galva Steels Ltd is one of the largest manufacturers cold rolled steel (CR) and galvanized steel (GP) in Western India. [1] The company procures hot rolled steel and processes it into CR and further into GP and colour ...

7. Arch - Wikipedia

   en.wikipedia.org/wiki/Arch

   An arch is a curved vertical structure spanning an open space underneath it. [1] Arches may support the load above them, or they may perform a purely decorative role. As a decorative element, the arch dates back to the 4th millennium BC, but structural load-bearing arches became popular only after their adoption by the Ancient Romans in the 4th ...