What is the concept of the second industrial technological revolution?

In fact, these are the same significant transformations that took place in the foundations of the production of certain industrial areas and only then, in innovative ways, spread to other industries. Only if the first such revolution presupposed changes in the production of cast iron, the appearance of steam engines, changes in the production of textiles, then the second gave impetus to progress in the production of high-quality steel grades, the construction of railways, the emergence of electric lines and the powerful development of the chemical industry.

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