 |
| retención: 348 phrases in 40 subjects |
| Accumulators | 1 |
| Agriculture | 23 |
| Chemistry | 14 |
| Coal | 1 |
| Communications | 14 |
| Construction | 2 |
| Earth sciences | 21 |
| Ecology | 2 |
| Economy | 3 |
| Education | 1 |
| Electric motors | 1 |
| Electric traction | 1 |
| Electronics | 14 |
| Environment | 11 |
| Finances | 8 |
| Fish farming pisciculture | 1 |
| Forestry | 1 |
| General | 15 |
| Government, administration and public services | 1 |
| Hobbies and pastimes | 3 |
| Industry | 16 |
| Information technology | 11 |
| Insurance | 9 |
| International Monetary Fund | 3 |
| Law | 16 |
| Life sciences | 8 |
| Materials science | 2 |
| Mechanic engineering | 42 |
| Medical | 25 |
| Microsoft | 12 |
| Natural sciences | 4 |
| Piezoelectric crystals | 2 |
| Power system protection | 1 |
| Procedural law | 5 |
| Radio | 1 |
| Social science | 3 |
| Taxes | 14 |
| Technology | 1 |
| Telecommunications | 5 |
| Transport | 30 |