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| treatment facilities (NataliaNVK) | |||
| pollution control facilities | |||
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| clearer | |||
| scraper | |||
| gas cleaning unit (MichaelBurov); treating facility (Johnny Bravo) | |||
| pig (для трубопроводов) | |||
| purifier | |||
| Russe glossaire | |||
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| ОУ (Bauirjan) | |||
| очистные устройства: 64 phrases, 13 sujets |