Abbreviation	4
Acoustics	19
Advertising	30
Aerohydrodynamics	13
Agrochemistry	2
American usage, not spelling	1
Analytical chemistry	5
Antennas and waveguides	34
Anti-air artillery	3
Apollo-Soyuz	1
Archaeology	5
Architecture	1
Armored vehicles	16
Artificial intelligence	6
Artillery	23
Astronautics	239
Astronomy	100
Astrophysics	3
Automated equipment	282
Automobiles	28
Aviation	58
Aviation medicine	11
Banking	1
Biochemistry	2
Biology	12
Biophysics	2
Biotechnology	12
Business	3
Cables and cable production	984
Cartography	58
Caspian	10
Cement	6
Chemistry	49
Chess	1
Chromatography	4
Cinema equipment	1
Cinematography	23
Clinical trial	2
Combustion gas turbines	3
Communications	32
Computer networks	175
Computers	115
Construction	44
Conventional notation	1
Cosmetics and cosmetology	2
Cycling other than sport	1
Dentistry	2
Drug-related slang	4
Dyes	1
Ecology	8
Economics	1
Electrical engineering	41
Electricity	1
Electrochemistry	1
Electronics	480
Energy industry	18
Engines	8
Environment	3
Explosives and Explosive Ordnance Disposal	2
Fiber optic	7
Film lighting equipment	1
Firefighting and fire-control systems	5
Foreign affairs	3
Forestry	6
French	1
General	124
Genetics	3
Geography	1
Geology	28
Geophysics	55
Gold mining	1
GOST	3
Gyroscopes	17
Helicopters	1
Hi-Fi	3
High frequency electronics	10
Household appliances	81
Hydraulic engineering	1
Hydrology	5
Immunology	4
Information security and data protection	3
Information technology	246
Intelligence and security services	2
Internet	6
Jargon	1
Karachaganak	1
Laboratory equipment	2
Laser medicine	2
Lasers	38
Law	1
Librarianship	2
Lighting other than cinema	1
Machine tools	1
Machinery and mechanisms	1
Makarov	730
Mass media	1397
Materials science	1
Mathematics	3
Measuring instruments	7
Mechanic engineering	6
Mechanics	16
Medical	93
Medical appliances	78
Metallurgy	42
Meteorology	8
Metrology	77
Microelectronics	41
Microscopy	10
Microsoft	2
Military	800
Military aviation	1
Military lingo	2
Mine surveying	1
Mineralogy	4
Mining	7
Missiles	11
Nanotechnology	539
Natural resourses and wildlife conservation	2
Nautical	63
Navigation	25
Navy	1
Neurology	1
Non-destructive testing	15
Nuclear and fusion power	5
Nuclear physics	13
Occupational health & safety	4
Oil / petroleum	18
Oil and gas	20
Oil processing plants	2
Oilfields	2
Oncology	1
Ophthalmology	33
Optics branch of physics	61
Parapsychology	13
Patents	2
Perfume	5
Pharmacology	4
Pharmacy and pharmacology	3
Photography	16
Physical chemistry	3
Physics	225
Pipelines	4
Plastics	1
Polygraphy	108
Polymers	27
Power system protection	1
Production	1
Programming	41
Psychology	1
Pulp and paper industry	5
Quality control and standards	3
Quantum electronics	147
Quantum mechanics	3
Radiation	19
Radioengineering	580
Radiography	5
Radiolocation	1
Rail transport	4
Refrigeration	1
Road works	1
Robotics	12
Roll stock	1
Sakhalin	3
Sakhalin R	1
Sakhalin S	1
SAP	1
SAP tech.	2
Satellite communications	1
Scientific	23
Security systems	56
Seismology	5
Semiconductors	5
Shipbuilding	2
Shooting sport	1
Signalling	2
Silicate industry	37
Software	1
Solar power	16
Solid-state physics	1
Space	2
Spectroscopy	19
Surgery	1
Surveying	14
Taxes	1
Technology	1351
Telecommunications	532
Telephony	2
Television	3
Tengiz	5
Textile industry	12
Thermal engineering	5
Topography	2
Torpedoes	1
Trade classification	5
Trademark	1
Transport	25
United Nations	1
Waste management	1
Weapons and gunsmithing	87
Welding	4
Winemaking	1
Wiring	1
X-ray	1