reinforcement : 94 phrases in 15 subjects |
Agriculture | 4 |
Construction | 14 |
Electricity generation | 1 |
Electronics | 1 |
Environment | 2 |
General | 9 |
Hobbies and pastimes | 1 |
Industry | 9 |
Labor law | 2 |
Materials science | 2 |
Mechanic engineering | 6 |
Medical | 7 |
Metallurgy | 22 |
Packaging | 2 |
Transport | 12 |