διάκενο : 149 phrases in 19 subjects |
Agriculture | 12 |
Astronautics | 3 |
Chemistry | 6 |
Communications | 3 |
Construction | 1 |
Earth sciences | 12 |
Electronics | 28 |
Fish farming pisciculture | 1 |
General | 6 |
Industry | 1 |
Information technology | 6 |
Life sciences | 2 |
Mechanic engineering | 30 |
Medical | 1 |
Metallurgy | 3 |
Municipal planning | 1 |
Physical sciences | 3 |
Technology | 10 |
Transport | 20 |