| Accumulators | 2 |
Explosives and Explosive Ordnance Disposal | 3 |
Mining | 29 |
| Advertising | 1 |
Finances | 14 |
Municipal planning | 1 |
| Agriculture | 15 |
Foreign trade | 1 |
Natural resourses and wildlife conservation | 4 |
| American usage, not spelling | 1 |
General | 124 |
Natural sciences | 1 |
| Analytical chemistry | 6 |
Geology | 5 |
Nuclear physics | 18 |
| Antennas and waveguides | 4 |
Government, administration and public services | 1 |
Operations research | 4 |
| Artificial intelligence | 4 |
Gymnastics | 1 |
Optics branch of physics | 40 |
| Astronomy | 30 |
Health care | 6 |
Packaging | 2 |
| Automated equipment | 23 |
Industry | 6 |
Patents | 4 |
| Automobiles | 4 |
Informal | 1 |
Physical sciences | 2 |
| Boxing | 5 |
Information technology | 19 |
Physics | 210 |
| British usage, not spelling | 1 |
International Monetary Fund | 2 |
Piezoelectric crystals | 1 |
| Business | 8 |
Isolation | 1 |
Polygraphy | 3 |
| Chemistry | 55 |
Labor law | 3 |
Power system protection | 1 |
| Coal | 5 |
Labor organization | 2 |
Racing and motorsport | 4 |
| Commerce | 1 |
Law | 6 |
Radiation | 167 |
| Communications | 42 |
Life sciences | 10 |
Scientific | 10 |
| Computer numerical control | 5 |
Lighting other than cinema | 1 |
Shipbuilding | 1 |
| Computers | 4 |
Linguistics | 1 |
Social science | 1 |
| Construction | 23 |
Marketing | 2 |
Sports | 6 |
| Cultural studies | 2 |
Materials science | 2 |
Statistics | 56 |
| Earth sciences | 20 |
Mathematics | 53 |
Stratigraphy | 2 |
| Economics | 35 |
Measuring instruments | 28 |
Technology | 319 |
| Electric motors | 1 |
Mechanic engineering | 11 |
Telecommunications | 4 |
| Electric traction | 2 |
Medical | 14 |
Textile industry | 2 |
| Electronics | 79 |
Medical appliances | 11 |
Transport | 32 |
| Employment | 1 |
Metallurgy | 22 |
United Nations | 2 |
| Engines | 2 |
Microelectronics | 33 |
University | 1 |
| English | 1 |
Microsoft | 8 |
Work flow | 8 |
| Environment | 3 |
Military | 2 |
| |
