O 2: 147 phrases in 16 subjects |
Agriculture | 2 |
Chemistry | 91 |
Construction | 1 |
Cultural studies | 3 |
Earth sciences | 3 |
Electronics | 1 |
Environment | 1 |
Finances | 2 |
General | 7 |
Industry | 8 |
Life sciences | 1 |
Mechanic engineering | 18 |
Medical | 3 |
Metallurgy | 2 |
Technology | 2 |
Transport | 2 |