purga : 97 phrases in 14 subjects |
Agriculture | 1 |
Chemistry | 12 |
Earth sciences | 6 |
Electronics | 2 |
Energy industry | 6 |
Environment | 6 |
Industry | 1 |
Materials science | 3 |
Mechanic engineering | 28 |
Metallurgy | 18 |
Natural sciences | 2 |
Nuclear physics | 4 |
Technology | 1 |
Transport | 7 |