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Материалы по тегу «regenerative furnace»

96

This man went down in history not only as a businessman who successfully promoted inventions and patents. Carl Wilhelm Siemens was an inventor and engineer who remained faithful to his craft until the end of his life.

Author Karina Lanyak

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789

What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista? 

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