Шаровые мельницы Ball mills are among the most variable and effective tools when it comes to size reduction of hard, brittle or fibrous materials. The variety of grinding modes, usable volumes and available grinding tool materials make ball mills the perfect match for a vast range of applications.
Biography of Ernesto Che Guevara, Revolutionary Leader. Ernesto Guevara de la Serna (June 14, 1928October 9, 1967) was an Argentine physician and revolutionary who played a key role in the Cuban Revolution.He also served in the government of Cuba after the communist takeover before leaving Cuba to try to stir up rebellions in Africa and South America.