Roller: 29 phrases in 15 subjects |
Agriculture | 1 |
Astronautics | 3 |
Chemistry | 1 |
Earth sciences | 1 |
Economy | 2 |
Electronics | 1 |
Fish farming pisciculture | 2 |
General | 1 |
Industry | 4 |
Materials science | 1 |
Mechanic engineering | 1 |
Medical | 1 |
Microsoft | 2 |
Social science | 1 |
Transport | 7 |