| Similarity | Rank | |
|---|---|---|
| Compounds | 0.772 | 66913 |
| volatile | 0.756 | 12386 |
| Gases | 0.751 | 90904 |
| Methane | 0.747 | 69623 |
| Dioxide | 0.738 | 69551 |
| Sulfur | 0.734 | 70589 |
| Ammonia | 0.723 | 78473 |
| VOCs | 0.705 | 56195 |
| Nitrogen | 0.703 | 45976 |
| Formaldehyde | 0.701 | 99913 |
| Liquids | 0.700 | 87311 |
| Emissions | 0.699 | 37744 |
| Toxic | 0.686 | 30829 |
| Additives | 0.681 | 91040 |
| Oxidation | 0.677 | 91986 |
| Inorganic | 0.673 | 98677 |
| Toxins | 0.669 | 66233 |
| Hazardous | 0.666 | 38834 |
| Radioactive | 0.666 | 64607 |
| Hydrogen | 0.666 | 29099 |
| Particles | 0.661 | 75904 |
| Chemicals | 0.657 | 29540 |
| Harmful | 0.656 | 61034 |
| Toxicity | 0.653 | 69211 |
| Aromatic | 0.647 | 90595 |