| Abbreviation | 3 |
Food service and catering | 2 |
Oilfields | 14 |
| Accounting | 20 |
Forestry | 5 |
Oils and lubricants | 1 |
| Acoustics | 9 |
Formal | 1 |
Oncology | 1 |
| Advertising | 5 |
Gas processing plants | 2 |
Optics branch of physics | 6 |
| Aerodynamics | 1 |
Gear train | 1 |
Orthopedics | 1 |
| Aerohydrodynamics | 25 |
General | 240 |
Packaging | 11 |
| Aeronautics | 1 |
Genetics | 1 |
Paragliding | 1 |
| Agriculture | 13 |
Geography | 5 |
Patents | 1 |
| Agrochemistry | 5 |
Geology | 22 |
Perfume | 5 |
| Alpine skiing | 1 |
Geometry | 1 |
Pest control | 3 |
| Alternative dispute resolution | 3 |
Geophysics | 78 |
Pharmacology | 13 |
| American usage, not spelling | 1 |
Gold mining | 6 |
Pharmacy and pharmacology | 9 |
| Analytical chemistry | 1 |
GOST | 4 |
Philately / stamp collecting | 1 |
| Antennas and waveguides | 11 |
Gyroscopes | 3 |
Photography | 2 |
| Anti-air artillery | 2 |
Heat transfer | 1 |
Physics | 28 |
| Apollo-Soyuz | 4 |
High energy physics | 1 |
Physiology | 10 |
| Applied mathematics | 1 |
Household appliances | 8 |
Plastics | 2 |
| Architecture | 8 |
Hovercraft | 1 |
Politics | 15 |
| Armored vehicles | 21 |
Hydraulic engineering | 29 |
Polygraphy | 10 |
| Artificial intelligence | 1 |
Hydraulics | 1 |
Polymers | 12 |
| Artillery | 6 |
Hydrobiology | 1 |
Postal service | 1 |
| Astronautics | 108 |
Hydroelectric power stations | 1 |
Power system protection | 2 |
| Astronomy | 27 |
Hydrology | 37 |
Production | 32 |
| Automated equipment | 102 |
Ice formation | 1 |
Professional jargon | 1 |
| Automatic control | 6 |
Idiomatic | 1 |
Programming | 104 |
| Automobiles | 83 |
Immunology | 2 |
Psychology | 4 |
| Aviation | 185 |
Industrial hygiene | 2 |
Psychotherapy | 5 |
| Aviation medicine | 29 |
Industry | 3 |
Public relations | 1 |
| Banking | 27 |
Informal | 11 |
Pulmonology | 1 |
| Biochemistry | 3 |
Information security and data protection | 11 |
Pulp and paper industry | 5 |
| Biology | 5 |
Information technology | 47 |
Pumps | 6 |
| Biotechnology | 1 |
Insurance | 44 |
Quality control and standards | 29 |
| Bridge construction | 2 |
Intelligence and security services | 3 |
Quantum electronics | 19 |
| British usage, not spelling | 3 |
International Monetary Fund | 2 |
Radiation | 27 |
| Business | 29 |
Internet | 5 |
Radio | 4 |
| Business style | 3 |
Investment | 1 |
Radioengineering | 6 |
| Cables and cable production | 3 |
Karachaganak | 6 |
Radiolocation | 1 |
| Cardiology | 4 |
Labor organization | 2 |
Radiology | 1 |
| Cartography | 7 |
Laser medicine | 2 |
Rail transport | 20 |
| Caspian | 16 |
Lasers | 1 |
Refrigeration | 6 |
| Cement | 2 |
Latin | 4 |
Road works | 12 |
| Chemical compounds | 1 |
Law | 48 |
Robotics | 2 |
| Chemistry | 22 |
Level measurement | 1 |
Roll stock | 3 |
| Chess | 3 |
Librarianship | 3 |
Sakhalin | 67 |
| Chromatography | 4 |
Logging | 1 |
Sakhalin A | 2 |
| Civil law | 4 |
Logistics | 6 |
Sakhalin R | 22 |
| Clinical trial | 6 |
Machine tools | 5 |
Sakhalin S | 3 |
| Coal | 1 |
Machinery and mechanisms | 1 |
SAP | 9 |
| Commerce | 1 |
Makarov | 150 |
SAP finance | 12 |
| Communications | 5 |
Mass media | 77 |
SAP tech. | 6 |
| Computer games | 1 |
Material safety data sheet | 47 |
Scientific | 6 |
| Computer graphics | 1 |
Materials science | 3 |
Security systems | 29 |
| Computer networks | 14 |
Mathematics | 194 |
Seismology | 21 |
| Computer tomography | 1 |
Measuring instruments | 4 |
Shipbuilding | 4 |
| Computers | 15 |
Meat processing | 3 |
Silicate industry | 2 |
| Construction | 117 |
Mechanic engineering | 6 |
Skiing | 1 |
| Cooking | 1 |
Mechanics | 14 |
Social science | 1 |
| Corporate governance | 2 |
Medical | 99 |
Solar power | 10 |
| Cosmetics and cosmetology | 1 |
Medical appliances | 26 |
Soviet | 1 |
| Criminal law | 19 |
Metallurgy | 24 |
Spectroscopy | 3 |
| Cycling other than sport | 1 |
Meteorology | 16 |
Sports | 9 |
| Data processing | 1 |
Metrology | 13 |
Statistics | 13 |
| Dental implantology | 1 |
Microbiology | 1 |
Stock Exchange | 5 |
| Dentistry | 2 |
Microelectronics | 1 |
Strength of materials | 36 |
| Diplomacy | 8 |
Microsoft | 26 |
Submarines | 4 |
| Dosimetry | 6 |
Military | 281 |
Taxes | 1 |
| Drawing | 1 |
Military aviation | 1 |
Technology | 506 |
| Drilling | 14 |
Mineral processing | 5 |
Telecommunications | 62 |
| Ecology | 95 |
Mineralogy | 2 |
Television | 1 |
| Econometrics | 1 |
Mining | 15 |
Tengiz | 10 |
| Economics | 84 |
Missiles | 8 |
Textile industry | 3 |
| Education | 2 |
Music | 5 |
Thermal engineering | 20 |
| Electric machinery | 2 |
Nanotechnology | 40 |
Topography | 2 |
| Electrical engineering | 60 |
NASA | 3 |
Torpedoes | 2 |
| Electricity | 10 |
NATO | 2 |
Toxicology | 27 |
| Electrochemistry | 9 |
Natural resourses and wildlife conservation | 35 |
Traffic control | 1 |
| Electronics | 254 |
Nautical | 80 |
Transport | 56 |
| Energy industry | 146 |
Navigation | 9 |
Tribology | 4 |
| Energy system | 11 |
Neural networks | 3 |
Uncommon / rare | 1 |
| Engineering geology | 1 |
Non-destructive testing | 3 |
United Nations | 2 |
| Environment | 6 |
Notarial practice | 2 |
Urology | 3 |
| European Bank for Reconstruction and Development | 5 |
Nuclear and fusion power | 9 |
Vibration monitoring | 2 |
| Evolution | 1 |
Nuclear physics | 70 |
Water resources | 25 |
| Explosives and Explosive Ordnance Disposal | 1 |
Obsolete / dated | 1 |
Water supply | 7 |
| Finances | 11 |
Occupational health & safety | 25 |
Weapons and gunsmithing | 16 |
| Firefighting and fire-control systems | 3 |
Oceanography & oceanology | 3 |
Weapons of mass destruction | 54 |
| Fish farming pisciculture | 11 |
Oil / petroleum | 115 |
Welding | 3 |
| Fishery fishing industry | 10 |
Oil and gas | 72 |
Wood processing | 4 |
| Flow measurement | 1 |
Oil and gas technology | 41 |
Yachting | 1 |
| Food industry | 4 |
Oil processing plants | 4 |
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