softening: 131 phrases in 23 subjects |
Agriculture | 3 |
Chemical fibers | 1 |
Chemistry | 25 |
Coal | 4 |
Construction | 7 |
Cultural studies | 2 |
Earth sciences | 3 |
Environment | 12 |
General | 11 |
Health care | 1 |
Industry | 10 |
Isolation | 1 |
Materials science | 1 |
Medical | 15 |
Metallurgy | 7 |
Microsoft | 1 |
Patents | 2 |
Resins | 1 |
Technology | 10 |
Textile industry | 6 |
Transport | 2 |
Water supply | 5 |
Радиоактивное излучение | 1 |