opening : 107 phrases in 27 subjects |
Agriculture | 15 |
Antennas and waveguides | 2 |
Business | 1 |
Chemistry | 5 |
Coal | 1 |
Communications | 2 |
Construction | 2 |
Cultural studies | 1 |
Earth sciences | 7 |
Economy | 2 |
Education | 1 |
Electronics | 1 |
Environment | 1 |
Finances | 12 |
General | 12 |
Hobbies and pastimes | 2 |
Industry | 4 |
Information technology | 9 |
Law | 1 |
Marketing | 3 |
Materials science | 2 |
Mechanic engineering | 6 |
Medical | 1 |
Metallurgy | 1 |
Natural sciences | 1 |
Technology | 1 |
Transport | 11 |