Wikidata entity: Q8881750
| P301 | category's main topic | ... | Q1058719 (water treatment) | water treatment |
| P301 | category's main topic | ... | Q1463025 (water purification) | water purification |
| P373 | Commons category | String | Water treatment | ??? |
| P31 | instance of | ... | Q4167836 (Wikimedia category) | Wikimedia category |
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log id: 5204256