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| открытый тип | |||
| открытый способ очищения воды | |||
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type ouvert : 21 phrases in 11 subjects |
| Aviation | 1 |
| Construction | 4 |
| Electronics | 3 |
| Food industry | 4 |
| Formal | 1 |
| General | 2 |
| High energy physics | 1 |
| Hydraulic engineering | 1 |
| Legal entity types business legal structures | 1 |
| Microsoft | 1 |
| Technology | 2 |