purga : 104 phrases in 21 subjects |
Agriculture | 7 |
Chemistry | 9 |
Coal | 1 |
Construction | 3 |
Earth sciences | 6 |
Energy industry | 4 |
Environment | 1 |
Food industry | 1 |
General | 4 |
Horticulture | 1 |
Industry | 7 |
Life sciences | 1 |
Materials science | 4 |
Measuring instruments | 1 |
Mechanic engineering | 26 |
Metallurgy | 9 |
Packaging | 4 |
Technology | 1 |
Textile industry | 1 |
Transport | 12 |
Water resources | 1 |