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Třinec Iron and Steel Works
Třinec Iron and Steel Works (TŽ) ((チェコ語:Třinecké železárny), (ポーランド語:Huta trzyniecka)) is a producer of long rolled steel products in Třinec, Moravian-Silesian Region, Czech Republic. TŽ produces over a third of all steel produced in the Czech Republic (roughly 2.5 million tons annually). Since its establishment, Třinecké železárny's plants have produced more than 150 million tons of crude steel. Moravia Steel is the major shareholder of TŽ, the biggest Czech steel company controlled by domestic capital.
== History ==
The area was rich in limestone, iron ore, clay and had a source of energy (the Olza River). The area also offered enough of a work force and it lies on a trade route from Slovakia, so a decision was taken to build an iron works at the location. In 1836 the construction of the first metallurgical furnace began. The iron mill began operating in 1839, becoming the largest in all of Cieszyn Silesia. At first, wood coal was used to heat the furnace; wood was cut in the nearby Silesian Beskids and Moravian-Silesian Beskids and floated on the Olza River in spring when the snow melted and the water level in the river rose. The Olza River was the most important means of transport until the 1870s, when the factories were modernized and a water canal was built to provide more water. The Olza River was also used to flush out the waste from the iron works. The first water cleaning facility was built in 1927.〔Cicha 2000, 65.〕 Modern water cleaning systems ensure that the outflow from the factory is nearly as clean as the inflow.
Since 1920, when Cieszyn Silesia was divided, it has been one of the most important industrial centers of Czechoslovakia. TŽ was nationalized in 1946 and its development continued during the Communist era, when heavy industry was very important. It is the largest steel mill in the country and still has a major impact on the industrial town of Třinec and surrounding areas, on its character, demographics and air pollution, although the latter significantly decreased since the fall of communism in 1989.
From 1960s to 1980s it played major role in the life of the region. Iron and steel works helped to improve regional infrastructure, as well as the transport network. Many recreational centers in the Beskids were built.
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