| Accounting | 18 |
Finances | 87 |
Natural sciences | 7 |
| Accumulators | 1 |
Fish farming pisciculture | 2 |
Non-governmental organizations | 2 |
| Agriculture | 27 |
Foreign trade | 25 |
Nuclear physics | 43 |
| Alternative dispute resolution | 29 |
Forestry | 1 |
Obsolete / dated | 13 |
| American usage, not spelling | 3 |
Gear train | 14 |
Oil / petroleum | 1 |
| Analytical chemistry | 23 |
General | 260 |
Oils and lubricants | 2 |
| Antennas and waveguides | 4 |
Geology | 4 |
Opencast mining | 1 |
| Archaeology | 1 |
Geomechanics | 3 |
Optics branch of physics | 37 |
| Artificial intelligence | 7 |
Germany | 1 |
Packaging | 6 |
| Astronomy | 9 |
Government, administration and public services | 2 |
Paleontology | 20 |
| Automated equipment | 20 |
Health care | 10 |
Patents | 3 |
| Automobiles | 11 |
High energy physics | 7 |
Pharmacy and pharmacology | 1 |
| Ball bearings | 5 |
Hobbies and pastimes | 1 |
Physical sciences | 1 |
| Banking | 2 |
Immigration and citizenship | 12 |
Physics | 81 |
| Beekeeping | 1 |
Industry | 18 |
Politics | 28 |
| Biology | 5 |
Information technology | 49 |
Polygraphy | 5 |
| British usage, not spelling | 1 |
Insurance | 3 |
Programming | 2 |
| Building materials | 1 |
International Monetary Fund | 7 |
Project management | 1 |
| Business | 36 |
International trade | 7 |
Radiation | 35 |
| Cables and cable production | 1 |
Irish | 1 |
Radiobiology | 1 |
| Chemistry | 23 |
Isolation | 1 |
Radiography | 1 |
| Coal | 1 |
Labor law | 2 |
Refrigeration | 6 |
| Commerce | 8 |
Law | 64 |
Reliability | 1 |
| Communications | 47 |
Life sciences | 7 |
Road works | 1 |
| Computer numerical control | 1 |
Lighting other than cinema | 5 |
Sailing | 1 |
| Computers | 42 |
Linguistics | 2 |
Scientific | 5 |
| Construction | 103 |
Magnetics | 1 |
Semiconductors | 1 |
| Cultural studies | 4 |
Marketing | 15 |
Social science | 2 |
| Customs | 11 |
Materials science | 9 |
Sports | 1 |
| Drilling | 2 |
Mathematics | 5 |
Statistics | 13 |
| Earth sciences | 24 |
Measuring instruments | 25 |
Superconductivity | 1 |
| Economics | 95 |
Mechanic engineering | 65 |
Taxes | 15 |
| Education | 8 |
Medical | 264 |
Technology | 227 |
| Electrical engineering | 1 |
Medical appliances | 8 |
Telecommunications | 26 |
| Electronics | 61 |
Metallurgy | 56 |
Telephony | 1 |
| Emergency medical care | 1 |
Metrology | 1 |
Textile industry | 5 |
| Energy industry | 16 |
Microelectronics | 24 |
Trade unions | 2 |
| Engines | 8 |
Microsoft | 29 |
Transformers | 1 |
| Environment | 13 |
Mining | 13 |
Transport | 86 |
| European Bank for Reconstruction and Development | 3 |
Municipal planning | 2 |
United Nations | 2 |
| European Union | 9 |
Natural resourses and wildlife conservation | 8 |
Welding | 2 |
