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impuretés: 153 phrases in 28 subjects |
Agriculture | 11 |
Analytical chemistry | 1 |
Antennas and waveguides | 4 |
Chemistry | 15 |
Coal | 1 |
Communications | 1 |
Computers | 4 |
Construction | 5 |
Earth sciences | 6 |
Electronics | 45 |
Food industry | 3 |
General | 6 |
Health care | 5 |
Industry | 7 |
Life sciences | 2 |
Materials science | 1 |
Medical | 2 |
Metallurgy | 8 |
Nuclear physics | 4 |
Pest control | 2 |
Piezoelectric crystals | 1 |
Pulp and paper industry | 1 |
Technology | 4 |
Textile industry | 4 |
Transport | 1 |
United Nations | 1 |
Ventilation | 1 |
Радиоактивное излучение | 7 |