1 янв 1856 г. - Bessemer Process
Описание:
The Bessemer Process was the first industrial process that didn't cost very much. It was for the mass production of steel. One of the key parts of this process is the removal of impurities from the iron by oxidation.Добавлено на ленту времени:
Дата:
1 янв 1856 г.
Сейчас
~ 169 г назад