rotation : 116 phrases in 22 subjects |
Analytical chemistry | 6 |
Antennas and waveguides | 4 |
Chemistry | 12 |
Construction | 28 |
Economy | 8 |
Education | 1 |
Electric motors | 6 |
Environment | 1 |
Finances | 2 |
Forestry | 3 |
Investment | 1 |
Magnetics | 4 |
Mathematics | 5 |
Mechanics | 12 |
Microsoft | 9 |
Physical sciences | 1 |
Physics | 4 |
Politics | 2 |
Radiology | 2 |
Satellite communications | 2 |
Welding | 2 |
Wind Energy | 1 |