Science and technology 1978 № 23
Film-document №75606 1 part, Duration: 0:08:57.28 Price category G
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Annotation1. Where manganese is mined (Dnepropetrovsk region: extraction of manganese ore in the Nikopol basin: restoration of the fertile soil layer at the site of manganese quarries). 2. "Fast needle" (semiconductor manufacturing technology). 3. "When the forest burns" (a new unit designed to extinguish fires in the forest - gruntomet - soilcast). 4. "Light motor" (laboratory of oscillations of the Physical Institute of the Academy of Sciences of the USSR - development of a new type of engine, using laser installations).