surco : 146 phrases in 16 subjects |
Agriculture | 74 |
Coal | 1 |
Communications | 3 |
Construction | 1 |
Earth sciences | 2 |
Electronics | 25 |
General | 4 |
Industry | 3 |
Life sciences | 3 |
Mechanic engineering | 1 |
Medical | 11 |
Metallurgy | 2 |
Natural sciences | 1 |
Sound recording | 12 |
Transport | 2 |
Video recording | 1 |