 |
| opening: 107 phrases in 26 subjects |
| Agriculture | 16 |
| Chemistry | 5 |
| Coal | 1 |
| Communications | 2 |
| Construction | 2 |
| Cultural studies | 1 |
| Earth sciences | 6 |
| Economy | 4 |
| Education | 1 |
| Electronics | 3 |
| Environment | 3 |
| Finances | 9 |
| General | 14 |
| Hobbies and pastimes | 2 |
| Industry | 1 |
| Information technology | 10 |
| Law | 2 |
| Life sciences | 1 |
| Marketing | 3 |
| Materials science | 1 |
| Mechanic engineering | 7 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural sciences | 2 |
| Technology | 1 |
| Transport | 8 |