The Moscow exhibition of new construction equipment in Sokolniki introduces the experience of making slag concrete at plant 10 of the Leningrad City Construction Administration, the Rostov plant "Stroydetal", the building parts plant in Voronezh. Block making and construction of large block buildings. Approx. : 1h. -252; 2h -233 (p. 290); 3h -212 (p. 273, 2): 4h. -177, 7 (p. 290, 8); 5h - 130, 5 (p. 224, 3)