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| базис; основание (покрова) | |||
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lower plane : 20 phrases in 15 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Cartography | 1 |
| Construction | 1 |
| Drug-related slang | 1 |
| Forestry | 2 |
| General | 1 |
| Geography | 1 |
| Geology | 2 |
| Gold mining | 1 |
| Makarov | 3 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Nautical | 1 |