 |
| concentraciones: 110 phrases in 29 subjects |
| Accumulators | 2 |
| Agriculture | 3 |
| Business | 1 |
| Chemistry | 7 |
| Coal | 1 |
| Construction | 1 |
| Earth sciences | 2 |
| Economy | 5 |
| Education | 1 |
| Electrochemistry | 1 |
| Electronics | 6 |
| Environment | 8 |
| Finances | 2 |
| Forestry | 1 |
| General | 14 |
| Health care | 12 |
| Insurance | 1 |
| International Monetary Fund | 11 |
| Law | 4 |
| Life sciences | 2 |
| Medical | 8 |
| Metallurgy | 2 |
| Pharmacy and pharmacology | 5 |
| Physical sciences | 1 |
| Radio | 3 |
| Radiology | 1 |
| Semiconductors | 1 |
| Technology | 2 |
| Vacuum tubes | 2 |