| Similarity | Rank | |
|---|---|---|
| wastewater_treatment | 0.737 | 51114 |
| water_treatment | 0.709 | 44454 |
| wastewater | 0.690 | 16254 |
| recycled_water | 0.675 | 97840 |
| waste_water | 0.668 | 36994 |
| water_management | 0.635 | 19218 |
| treat_water | 0.634 | 93862 |
| water_storage | 0.615 | 92766 |
| water_infrastructure | 0.607 | 84179 |
| water_conservation | 0.606 | 25962 |
| wastewater_treatment_plant | 0.605 | 59904 |
| for_irrigation | 0.602 | 68366 |
| treatment_plant | 0.601 | 48607 |
| water_resource | 0.600 | 11673 |
| water_industry | 0.597 | 90630 |
| water_demand | 0.596 | 95619 |
| potable_water | 0.591 | 47408 |
| groundwater | 0.591 | 10207 |
| seawater | 0.589 | 32849 |
| solar_thermal | 0.589 | 84209 |
| water_supply | 0.588 | 7947 |
| fresh_water | 0.587 | 16726 |
| water_resource_management | 0.585 | 64165 |
| water_scarcity | 0.584 | 48604 |
| rainwater_harvesting | 0.583 | 98957 |