 |
|
level indicator : 207 phrases in 29 subjects |
| Accumulators | 1 |
| Agriculture | 3 |
| Animal husbandry | 1 |
| Automobiles | 22 |
| Aviation | 10 |
| Bridge construction | 1 |
| Cartography | 1 |
| Chemistry | 2 |
| Communications | 1 |
| Compressors | 2 |
| Drilling | 2 |
| Earth sciences | 5 |
| Electric machinery | 3 |
| Electronics | 9 |
| Engineering geology | 2 |
| Geophysics | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 18 |
| Nautical | 4 |
| Oil / petroleum | 13 |
| Oil processing plants | 3 |
| Racing and motorsport | 1 |
| Rail transport | 2 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Space | 7 |
| Technology | 85 |
| Telecommunications | 1 |
| Wind Energy | 1 |
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