The level of advancement in technological culture primarily depends on the development of energy sources for the needs of man. The use of steam and particularly electricity over the last one hundred years brought industrial rrevolution and grave a tremendous impetus to the development of society. In the last few decades worldwide production of electric energy has increased a hundredfold. The electric power of generating plants has grown to 2700 mln kw.
284 pàg
Peso: 39 mb
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Autor: I. P Kopilov
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