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renforcement : 268 phrases in 50 subjects |
| Agriculture | 1 |
| Astronomy | 3 |
| Book binding | 1 |
| Building structures | 2 |
| Chemistry | 4 |
| Coal | 3 |
| Commerce | 1 |
| Communications | 3 |
| Construction | 39 |
| Earth sciences | 1 |
| Economics | 7 |
| Education | 1 |
| Electronics | 4 |
| Environment | 2 |
| European Union | 1 |
| Finances | 8 |
| Fish farming pisciculture | 5 |
| General | 42 |
| Health care | 5 |
| Industry | 12 |
| Information technology | 2 |
| International Monetary Fund | 9 |
| International trade | 1 |
| Kayaking | 1 |
| Labor law | 1 |
| Law | 11 |
| Life sciences | 5 |
| Materials science | 8 |
| Mechanic engineering | 9 |
| Medical | 13 |
| Medical appliances | 7 |
| Metallurgy | 10 |
| Microsoft | 1 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Packaging | 5 |
| Paragliding | 1 |
| Patents | 1 |
| Physical sciences | 1 |
| Power lines | 1 |
| Radiation | 1 |
| Radiography | 3 |
| Rail transport | 1 |
| Religion | 1 |
| Rowing | 1 |
| Social science | 12 |
| Technology | 2 |
| Telecommunications | 1 |
| Transport | 11 |