Abbreviation	1
Accounting	1
Acoustics	17
Advertising	5
Aerodynamics	1
Aerohydrodynamics	30
Agriculture	20
Agrochemistry	5
Agronomy	3
Airports and air traffic control	1
Aluminium industry	3
American usage, not spelling	14
Analytical chemistry	6
Anatomy	3
Anesthesiology	1
Animal husbandry	1
Antarctic	1
Antennas and waveguides	100
Applied mathematics	2
Armored vehicles	9
Art	1
Artificial intelligence	4
Artillery	1
ASCII	2
Astronautics	265
Astronomy	43
Astrophysics	5
Automated equipment	43
Automatic control	1
Automobiles	8
Aviation	134
Aviation medicine	42
Baseball	1
Basketball	11
Biology	8
Biotechnology	6
Botany	1
British usage, not spelling	1
Business	1
Business style	3
Cables and cable production	9
Card games	1
Cardiology	2
Cartography	11
Caspian	1
Chemistry	9
Chess	101
Cinema equipment	1
Cinematography	10
Clinical trial	1
Combustion gas turbines	1
Communications	11
Computer graphics	3
Computer networks	10
Computers	19
Construction	31
Conventional notation	1
Data processing	1
Databases	9
Dental implantology	1
Dialectal	2
Diplomacy	1
Dosimetry	1
Drilling	3
Ecology	20
Economics	2
Electric machinery	1
Electric motors	1
Electrical engineering	72
Electricity	24
Electrochemistry	4
Electromedicine	1
Electronics	398
Energy industry	40
Environment	1
European Bank for Reconstruction and Development	1
Fantasy and science fiction	4
Fencing	1
Figurative	1
Figure of speech	3
Firefighting and fire-control systems	1
Food industry	4
Football	54
Forestry	1
Formal	1
French	1
Gas processing plants	1
General	270
Genetics	2
Geography	2
Geology	19
Geophysics	415
Gold mining	9
Golf	2
GOST	1
Grass hockey	2
Gravimetry	5
Greek	1
Greek and Roman mythology	2
Gynecology	1
Gyroscopes	7
Handball	7
Heraldry	6
Hi-Fi	1
High energy physics	119
Historical	1
Household appliances	30
Hydrology	3
Ice formation	7
Ice hockey	7
Ichthyology	1
Idiomatic	16
Industry	1
Informal	10
Information security and data protection	5
Information technology	127
Intelligence and security services	4
Internet	3
Labor organization	1
Lasers	9
Law	5
Librarianship	26
Linguistics	4
Literature	1
Magnetic tomography	2
Magnetics	15
Makarov	690
Management	1
Marketing	1
Mass media	355
Materials science	1
Mathematics	90
Measuring instruments	1
Meat processing	1
Mechanic engineering	3
Mechanics	11
Medical	76
Medical appliances	41
Metal science	1
Metallurgy	41
Meteorology	6
Metrology	37
Microelectronics	24
Microscopy	9
Microsoft	34
Military	430
Military lingo	1
Mining	56
Missiles	3
Molecular biology	2
Music	1
Mythology	2
Nanotechnology	172
Natural resourses and wildlife conservation	4
Nautical	50
Navigation	27
Non-destructive testing	56
Nuclear and fusion power	9
Nuclear physics	8
Occupational health & safety	1
Oceanography & oceanology	6
Officialese	1
Oil / petroleum	73
Oil and gas	15
Oil and gas technology	4
Oilfields	18
Ophthalmology	9
Optics branch of physics	13
Paleontology	2
Pharmacology	1
Pharmacy and pharmacology	2
Photography	3
Physical chemistry	1
Physics	126
Physiology	1
Phytophathology	1
Politics	5
Polygraphy	26
Polymers	2
Powder metallurgy	4
Power system protection	2
Production	1
Programming	143
Proverb	25
Psychiatry	1
Psycholinguistics	2
Psychology	9
Publishing	1
Quality control and standards	7
Quantum electronics	28
Quantum mechanics	3
Quarrying	2
Radiation	5
Radio	1
Radioengineering	71
Radiography	8
Radiolocation	24
Radiology	2
Rail transport	23
Religion	3
Research and development	4
Rhetoric	3
Road works	6
Robotics	1
Sakhalin	7
SAP	6
SAP finance	4
SAP tech.	17
Scientific	1
Security systems	16
Seismology	6
Semiconductors	5
Shipbuilding	7
Slang	5
Social media	1
Solar power	12
Soviet	4
Space	2
Spectroscopy	4
Sports	95
Statistics	2
Submarines	1
Superconductivity	2
Surgery	1
Technology	651
Telecommunications	70
Telephony	5
Television	31
Tengiz	1
Tennis	2
Textile industry	6
Thermal engineering	5
Transport	11
United Nations	2
Volcanology	2
Volleyball	1
Water polo	3
Water resources	2
Water supply	2
Weapons and gunsmithing	11
Welding	5
Yachting	2