About a simple gland (1955)

Why was cast iron called "pork metal"? And what is the steel made of? How does the work of the plant producing metals work? What technique and technology do masters use and what temperature is needed for swimming? From the old people to the Marten and then an electric furnace and the X -ray devices and laboratories ... Without all this, we would not fly on airplanes, did not ride trains, would not prepare food in a comfortable bowl.
Thanks to this book, you will get acquainted with the history of one of the most important elements on the planet - iron. You will learn how people began to extract iron ore, how they processed it and how different methods of melting were developed. In order for these complex processes to be clearer, numerous illustrations and schemes are published in the book.
The publication is written in an accessible language and is intended for children who are fond of equipment and construction