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Steel is an alloy composed of between 0.2 and 2.0 percent carbon, with the balance being iron. From prehistory through the creation of the blast furnace, iron was produced from iron ore as wrought iron, 99.82–100 percent Fe, and the process of making steel involved adding carbon to iron, usually in a serendipitous manner, in the forge, or via the cementation process.
The Steel Industry of China: Its Present Status and Future Potential (1999) Hogan, William T. Minimills and Integrated Mills: A Comparison of Steelmaking in the United States (1987) Meny, Yves. Politics of Steel: Western Europe and the Steel Industry in the Crisis Years (1974–1984) (1986) Scheuerman, William.
The Ottoman wars in Europe marked an essential part of the history of the continent. The Holy Roman Empire was a limited elective monarchy composed of hundreds of state-like entities . A key 15th-century development was the advent of the movable type of printing press circa 1439 in Mainz, [ 51 ] building upon the impetus provided by the prior ...
'Amalgamated Map of the Great Ming Empire') world map, likely made in the late 14th or the 15th century, [33] shows China at the centre and Europe, half-way round the globe, depicted very small and horizontally compressed at the edge. The coast of Africa is also mapped from an Indian Ocean perspective, showing the Cape of Good Hope area.
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Tabula Peutingeriana (section of a modern facsimile), top to bottom: Dalmatian coast, Adriatic Sea, southern Italy, Sicily, African Mediterranean coast. Tabula Peutingeriana (Latin for 'The Peutinger Map'), also referred to as Peutinger's Tabula, [1] Peutinger tables [2] or Peutinger Table, is an illustrated itinerarium (ancient Roman road map) showing the layout of the cursus publicus, the ...
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Metallurgists throughout medieval Europe were generally free to move within different regions. For instance, German metallurgists in search of rich precious metal ores took the lead in mining and influenced the course of metal production, not only in East and South Germany but also in almost all of Central Europe and the Eastern Alps .