 |
| protección: 2029 phrases in 74 subjects |
| Agriculture | 45 |
| Antennas and waveguides | 1 |
| Art | 5 |
| Cables and cable production | 3 |
| Chemistry | 19 |
| Commerce | 7 |
| Communications | 37 |
| Construction | 18 |
| Criminal law | 3 |
| Cultural studies | 3 |
| Demography | 2 |
| Earth sciences | 26 |
| Ecology | 1 |
| Economy | 40 |
| Electric machinery | 20 |
| Electric traction | 2 |
| Electricity generation | 8 |
| Electronics | 242 |
| Energy industry | 2 |
| Environment | 329 |
| Finances | 30 |
| Fish farming pisciculture | 7 |
| Food industry | 1 |
| Forestry | 25 |
| General | 196 |
| Health care | 58 |
| Hobbies and pastimes | 2 |
| Human rights activism | 34 |
| Immigration and citizenship | 14 |
| Industry | 40 |
| Information technology | 71 |
| Insurance | 5 |
| International law | 1 |
| International Monetary Fund | 28 |
| Isolation | 12 |
| Labor law | 50 |
| Law | 174 |
| Life sciences | 29 |
| Marketing | 3 |
| Materials science | 7 |
| Mathematics | 4 |
| Mechanic engineering | 43 |
| Medical | 20 |
| Metallurgy | 22 |
| Microsoft | 72 |
| Municipal planning | 5 |
| Natural resourses and wildlife conservation | 7 |
| Natural sciences | 20 |
| Nuclear physics | 8 |
| Obsolete / dated | 11 |
| Patents | 18 |
| Pharmacy and pharmacology | 3 |
| Politics | 26 |
| Power lines | 4 |
| Procedural law | 4 |
| Radio | 9 |
| Radiology | 3 |
| Rail transport | 7 |
| Research and development | 4 |
| Risk Management | 2 |
| Social science | 18 |
| Sociology | 3 |
| Statistics | 9 |
| Technology | 5 |
| Telegraphy | 2 |
| Thermal Energy | 1 |
| Trade unions | 7 |
| Transformers | 2 |
| Transport | 82 |
| United Nations | 2 |
| Vacuum tubes | 1 |
| Welding | 2 |
| Wind Energy | 1 |
| Work flow | 2 |