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contours : 145 phrases in 34 subjects |
| Astronomy | 3 |
| Automated equipment | 5 |
| Chemistry | 1 |
| Communications | 8 |
| Computers | 4 |
| Construction | 22 |
| Earth sciences | 3 |
| Electronics | 7 |
| Environment | 1 |
| General | 5 |
| Geography | 1 |
| Industry | 2 |
| Information technology | 9 |
| Law | 1 |
| Mathematics | 1 |
| Mechanic engineering | 2 |
| Medical | 12 |
| Medical appliances | 5 |
| Metallurgy | 10 |
| Microsoft | 11 |
| Natural resourses and wildlife conservation | 4 |
| Packaging | 6 |
| Paleontology | 4 |
| Paragliding | 2 |
| Physical sciences | 1 |
| Radio | 6 |
| Satellite communications | 1 |
| Scientific | 1 |
| Statistics | 1 |
| Surveying | 1 |
| Technology | 1 |
| Textile industry | 1 |
| Transport | 2 |
| Video recording | 1 |