Production of Asbestos-Cement Products (1970)

A Soviet textbook by Prof. P. N. Sokolov, Proizvodstvo asbestotsementnykh izdelii (Production of Asbestos-Cement Products). It is the second, revised and enlarged edition, published by Vysshaya Shkola, Moscow, in 1970 (288 pages), for training production workers. It covers raw materials such as asbestos and portland cement, the forming of sheets and pipes, and the cutting and corrugating of sheets. It says asbestos is 10–20% of the mix and chrysotile at least 95% of world output, and gives safety rules such as fully enclosing asbestos-milling rollers to prevent dust.