| Similarity | Rank | |
|---|---|---|
| incineration | 0.919 | 62397 |
| incinerator | 0.865 | 60101 |
| landfill | 0.813 | 16597 |
| landfills | 0.803 | 25855 |
| coal-fired | 0.777 | 36383 |
| waste | 0.771 | 1911 |
| gases | 0.758 | 11662 |
| incinerated | 0.754 | 68961 |
| scrubbers | 0.752 | 91481 |
| gasses | 0.751 | 45276 |
| refrigerants | 0.747 | 92454 |
| gasification | 0.744 | 64900 |
| wastes | 0.743 | 16174 |
| boilers | 0.743 | 25056 |
| toxics | 0.739 | 88988 |
| sewage | 0.735 | 15787 |
| wastewater | 0.735 | 17337 |
| dioxins | 0.729 | 77636 |
| pollutants | 0.728 | 16074 |
| polluting | 0.722 | 28346 |
| reactors | 0.722 | 19700 |
| furnaces | 0.719 | 30904 |
| biogas | 0.719 | 44510 |
| cogeneration | 0.711 | 76666 |
| coal | 0.711 | 5233 |