Acoustics	5
Air defense	15
Antennas and waveguides	8
Astronautics	14
Automated equipment	10
Aviation	5
Business style	2
Chemistry	1
Communications	7
Computer networks	5
Construction	3
Electrical engineering	1
Electronics	50
General	13
Geophysics	4
GOST	1
High frequency electronics	1
Household appliances	7
Information security and data protection	2
Information technology	7
Intelligence and security services	2
Laser medicine	1
Lasers	5
Makarov	76
Mass media	87
Mathematics	6
Measuring instruments	1
Mechanics	2
Medical	13
Medical appliances	5
Metallurgy	4
Metrology	6
Military	33
Missiles	1
Music	3
Nanotechnology	26
Nautical	3
Navigation	1
Non-destructive testing	1
Nuclear and fusion power	1
Oil / petroleum	4
Oncology	2
Physics	15
Polygraphy	2
Quantum electronics	16
Radio	6
Radioengineering	40
Radiolocation	1
Rail transport	3
Security systems	1
Shipbuilding	1
Solar power	1
Soviet	3
Space	15
Technology	137
Telecommunications	42
Telegraphy	1
Television	1
Torpedoes	1

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