Accounting	58
Acoustics	10
Advertising	14
Aerodynamics	6
Aerohydrodynamics	13
Agriculture	17
Agrochemistry	1
Aluminium industry	2
American usage, not spelling	2
Analytical chemistry	15
Antennas and waveguides	9
Armored vehicles	8
Artificial intelligence	2
Artillery	8
Astronautics	64
Astronomy	25
Audit	2
Automated equipment	150
Automatic control	9
Automobiles	57
Aviation	68
Aviation medicine	2
Banking	2
Biology	5
Biotechnology	1
Bridge construction	2
Building structures	1
Business	13
Cables and cable production	5
Cartography	2
Caspian	7
Cement	1
Chemistry	3
Chess	5
Cinematography	2
Clerical	1
Clinical trial	2
Combustion gas turbines	6
Communications	9
Computer graphics	1
Computer networks	6
Computers	28
Construction	57
Data processing	1
Databases	6
Dental implantology	3
Diplomacy	6
Drilling	9
Drives	2
Ecology	6
Econometrics	19
Economics	91
Education	1
Electric machinery	2
Electrical engineering	157
Electricity	7
Electrochemistry	17
Electronics	356
Energy industry	79
Energy system	37
European Bank for Reconstruction and Development	10
European Union	2
Explosives and Explosive Ordnance Disposal	1
Fencing	1
Finances	15
Firefighting and fire-control systems	1
Flow measurement	2
Food industry	2
Foreign affairs	1
Forestry	6
Gas processing plants	1
General	95
Geography	1
Geology	5
Geophysics	58
Gold mining	7
GOST	4
Gymnastics	5
Helicopters	1
High energy physics	39
Household appliances	9
Hydraulic engineering	3
Hydrology	3
Idiomatic	1
Immunology	2
Informal	1
Information security and data protection	7
Information technology	118
Insurance	4
Intelligence and security services	1
International Monetary Fund	4
Investment	2
Knitted goods	1
Labor law	3
Laboratory equipment	1
Law	2
Leather	1
Linguistics	1
Logic	2
Logistics	2
LP players	1
Machine components	1
Makarov	253
Management	2
Maritime law & Law of the Sea	1
Mass media	123
Mathematical analysis	2
Mathematics	219
Measuring instruments	32
Mechanic engineering	20
Mechanics	33
Medical	16
Medical appliances	4
Metallurgy	18
Meteorology	3
Metrology	26
Microelectronics	12
Microsoft	7
Military	98
Military lingo	3
Mineralogy	1
Mining	19
Missiles	1
Molikpaq	1
Music	4
Nanotechnology	32
Natural resourses and wildlife conservation	2
Nautical	112
Navigation	11
Neural networks	2
Non-destructive testing	7
Nuclear and fusion power	2
Obsolete / dated	1
Oceanography & oceanology	2
Office equipment	1
Oil / petroleum	37
Oil and gas	24
Oil and gas technology	8
Oilfields	14
Optics branch of physics	3
Patents	1
Perfume	1
Pharmacy and pharmacology	4
Photography	4
Physics	38
Physiology	1
Pipelines	4
Politics	1
Polygraphy	19
Power electronics	15
Power lines	1
Production	7
Programming	825
Psychology	12
Public utilities	1
Pumps	1
Quality control and standards	15
Quantum electronics	8
Radiation	3
Radio	1
Radioengineering	7
Radiolocation	2
Rail transport	42
Real estate	1
Refrigeration	20
Religion	1
Research and development	2
Road works	2
Robotics	18
Roll stock	3
Sakhalin	13
Sakhalin A	1
Sakhalin R	2
Sakhalin S	1
SAP	7
SAP finance	4
SAP tech.	3
Scientific	2
Securities	2
Security systems	6
Seismology	2
Semiconductors	1
Shipbuilding	18
Silicate industry	1
Skiing	2
Solar power	3
Sports	7
Statistics	21
Stock Exchange	5
Taxes	1
Technology	646
Telecommunications	88
Telephony	2
Television	4
Tengiz	5
Textile industry	1
Thermal engineering	6
Transformers	1
Transport	31
Traumatology	2
Water resources	5
Water supply	2
Weapons and gunsmithing	4
Weapons of mass destruction	4
Welding	1
Well control	1
Wood processing	2
Yachting	1