renforcement : 67 phrases in 24 subjects |
Book binding | 1 |
Chemistry | 1 |
Communications | 1 |
Construction | 4 |
Electronics | 6 |
Environment | 1 |
Finances | 4 |
Fish farming pisciculture | 5 |
General | 11 |
Health care | 1 |
Industry | 7 |
Information technology | 2 |
Law | 3 |
Life sciences | 1 |
Materials science | 4 |
Mechanic engineering | 2 |
Metallurgy | 3 |
Patents | 1 |
Physical sciences | 1 |
Power lines | 1 |
Radio | 1 |
Social science | 4 |
Technology | 1 |
Transport | 1 |