retardador : 48 phrases in 16 subjects |
Agriculture | 3 |
Chemistry | 8 |
Coal | 1 |
Commerce | 1 |
Construction | 1 |
Earth sciences | 5 |
Electronics | 3 |
General | 4 |
Hobbies and pastimes | 1 |
Industry | 5 |
Isolation | 1 |
Materials science | 3 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Natural sciences | 1 |
Transport | 9 |