 |
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| base course; bed course | |||
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| subgrade | |||
| основание покрытия: 50 phrases in 14 subjects |
| Airports and air traffic control | 2 |
| Architecture | 1 |
| Automobiles | 1 |
| Construction | 10 |
| Forestry | 1 |
| General | 1 |
| Informal | 1 |
| Makarov | 2 |
| Military | 8 |
| Mining | 1 |
| Programming | 1 |
| Road works | 17 |
| Technology | 2 |
| Transport | 2 |