1. Under the law of friendship (the opening of an exhibition of Soviet achievements, within the framework of the days of Soviet science and technology in the Mongolian People's Republic, the first deputy Chairman of the Council of Ministers of Mongolia Maidar, Deputy Chairman of the Council of Ministers of the USSR Vladimir Kirillin). 2. Healing laser (experimental operation using a laser at the Moscow Herzen Research Institute on Cancer, Academician Nikolai Devyatkov). 3. Dilute paint (special installation for the electrification of paint by the method of point spraying). 4. Guests from space (archaeological finds in the Odessa catacombs).