undulated: 42 phrases in 15 subjects |
Advertising | 1 |
Architecture | 2 |
Automobiles | 1 |
Biology | 1 |
Construction | 6 |
Electrochemistry | 1 |
General | 1 |
Geology | 6 |
Ichthyology | 1 |
Makarov | 7 |
Mechanic engineering | 1 |
Military | 2 |
Ornithology | 4 |
Technology | 6 |
Thermal engineering | 2 |