Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Ferrous metals are able to be recycled with steel being one of the most recycled materials in the world. Ferrous metals contain an appreciable percentage of iron and the addition of carbon and other substances creates steel.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.