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| scavenging (MichaelBurov); blowing (MichaelBurov); purging (MichaelBurov); purging operation (MichaelBurov); purge (MichaelBurov) | |||
| продувка аппаратов: 12 phrases in 6 subjects |
| Construction | 1 |
| Energy industry | 1 |
| General | 1 |
| Hungarian Language | 2 |
| Technology | 1 |
| Tengiz | 6 |