purgas : 76 phrases in 14 subjects |
Agriculture | 1 |
Chemistry | 7 |
Earth sciences | 6 |
Energy industry | 4 |
Environment | 2 |
General | 1 |
Industry | 1 |
Materials science | 3 |
Mechanic engineering | 33 |
Metallurgy | 7 |
Natural sciences | 1 |
Nuclear physics | 2 |
Technology | 1 |
Transport | 7 |