| English | eng-000 |
| purification plant | |
| العربية | arb-000 | مصفا |
| 普通话 | cmn-000 | 净化厂 |
| 普通话 | cmn-000 | 净化场 |
| 普通话 | cmn-000 | 净化装置 |
| dansk | dan-000 | rensningsanlæg |
| Deutsch | deu-000 | Kläranlage |
| ελληνικά | ell-000 | μονάδα επεξεργασίας λυμάτων |
| ελληνικά | ell-000 | σταθμός επεξεργασίας λυμάτων |
| English | eng-000 | sewage treatment plant |
| English | eng-000 | sewage-farm |
| English | eng-000 | sludgeworks |
| English | eng-000 | sweeping field |
| English | eng-000 | wastewater treatment plant |
| íslenska | isl-000 | hreinsunarstöð |
| íslenska | isl-000 | vatnshreinsistöð |
| polski | pol-000 | oczyszczalnia |
| polski | pol-000 | oczyszczalnia ścieków |
| русский | rus-000 | очистительная установка |
| русский | rus-000 | очистная станция |
| русский | rus-000 | очистное сооружение |