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| Subject | English | German |
| mining. | fixed helical retarding strip | festsitzende Schraubenwendeleiste (Röhrentrockner) |
| mining. | helical retarding strip | Schraubenwendeleiste |
| mining. | loose helical retarding strip | rollende Schraubenwendeleiste (eines Röhrentrockners) |
| mining. | loose helical retarding strip | klappernde Schraubenwendeleiste (eines Röhrentrockners) |