| Accounting | 3 |
| Advertising | 1 |
| Agriculture | 37 |
| Alternative dispute resolution | 4 |
| American usage, not spelling | 1 |
| Analytical chemistry | 5 |
| Antennas and waveguides | 7 |
| Archaeology | 2 |
| Artificial intelligence | 23 |
| Astronomy | 8 |
| Automated equipment | 32 |
| Automatic control | 1 |
| Automobiles | 10 |
| Banking | 3 |
| Basketball | 2 |
| Biology | 4 |
| Botany | 1 |
| British usage, not spelling | 1 |
| Business | 32 |
| Cables and cable production | 1 |
| Chemistry | 44 |
| Coal | 11 |
| Commerce | 2 |
| Communications | 124 |
| Computer numerical control | 3 |
| Computers | 52 |
| Construction | 70 |
| Criminal law | 1 |
| Cultural studies | 1 |
| Cycle sport | 1 |
| Demography | 1 |
| Dosimetry | 3 |
| Drilling | 2 |
| Drives | 2 |
| Earth sciences | 15 |
| Economics | 72 |
| Education | 9 |
| Electric traction | 3 |
| Electrical engineering | 4 |
| Electricity generation | 1 |
| Electronics | 77 |
| Emergency medical care | 3 |
| Energy industry | 2 |
| Engines | 1 |
| Environment | 8 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Finances | 28 |
| Fish farming pisciculture | 3 |
| Foreign trade | 2 |
| Forestry | 1 |
| Foundry | 1 |
| Gear train | 4 |
| General | 101 |
| Geophysics | 4 |
| Health care | 64 |
| High energy physics | 9 |
| Historical | 1 |
| Hobbies and pastimes | 1 |
| Human rights activism | 2 |
| Immigration and citizenship | 10 |
| Industry | 21 |
| Information technology | 76 |
| Insurance | 3 |
| International law | 2 |
| International Monetary Fund | 12 |
| International trade | 2 |
| Journalism terminology | 1 |
| Labor law | 2 |
| Law | 16 |
| Life sciences | 5 |
| Linguistics | 2 |
| Logistics | 1 |
| Marketing | 4 |
| Materials science | 12 |
| Mathematics | 30 |
| Measuring instruments | 28 |
| Mechanic engineering | 80 |
| Medical | 144 |
| Medical appliances | 11 |
| Metallurgy | 66 |
| Metrology | 1 |
| Microelectronics | 56 |
| Microsoft | 25 |
| Military | 1 |
| Mining | 38 |
| Natural resourses and wildlife conservation | 7 |
| Natural sciences | 8 |
| Nuclear physics | 19 |
| Obsolete / dated | 1 |
| Operations research | 2 |
| Optics branch of physics | 69 |
| Packaging | 6 |
| Patents | 6 |
| Pharmacy and pharmacology | 5 |
| Physics | 104 |
| Polygraphy | 1 |
| Power lines | 1 |
| Psychology | 3 |
| Punched cards | 2 |
| Quality control and standards | 1 |
| Radiation | 34 |
| Radio | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Reliability | 5 |
| Satellite communications | 7 |
| Scientific | 3 |
| Social science | 2 |
| Statistics | 35 |
| Taxes | 7 |
| Technology | 329 |
| Telecommunications | 16 |
| Telephony | 4 |
| Textile industry | 4 |
| Transport | 74 |
| Weapons and gunsmithing | 6 |
| Work flow | 4 |
| Zootechnics | 3 |
