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| tuulutus (alegra296) | |||
| õhustamine (ВВладимир) | |||
| õhuvarustus (ВВладимир) | |||
| проветривание: 2 phrases in 2 subjects |
| Construction | 1 |
| Technology | 1 |
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| |||
| tuulutus (alegra296) | |||
| õhustamine (ВВладимир) | |||
| õhuvarustus (ВВладимир) | |||
| проветривание: 2 phrases in 2 subjects |
| Construction | 1 |
| Technology | 1 |