In the 19th century, Germany underwent a modern industrialized economy to transform agriculture bearing structure with 85% of the population live on agriculture into a new kingdom with industry went beyond the country previous (England). The network of transportation, railroads were built (1835-1846). Everywhere grow large plants in the metallurgy industry (Krupp), chemical production (Bayer, Hoechst), machine tools (Sulzer, Hartmann, MAN), generators (Siemens). The new technologies in coal mining industry was invented and put to use, and then electrified throughout all areas of production and life made the leap in the German economy, put Germany back the exporting country has the world's largest industry. The Ruhr in the early 1870 became the largest industrial center in Europe. Technology development, the need for increased scientific and technical experts, a series of technical school, vocational school, technical college was founded in the year to meet the needs of this development.
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