| Similarity | Rank | |
|---|---|---|
| ASHRAE | 0.763 | 80691 |
| HVAC | 0.741 | 15563 |
| HEPA | 0.730 | 42708 |
| Legionella | 0.720 | 95193 |
| Ventilation | 0.718 | 55452 |
| radon | 0.710 | 32433 |
| ESD | 0.701 | 51150 |
| Remediation | 0.698 | 67735 |
| Radon | 0.688 | 60232 |
| VOC | 0.679 | 46418 |
| BREEAM | 0.675 | 97954 |
| NIOSH | 0.675 | 84337 |
| VOCs | 0.674 | 56195 |
| disinfection | 0.668 | 42785 |
| EHS | 0.661 | 57945 |
| EPA's | 0.659 | 30176 |
| dehumidifiers | 0.658 | 81194 |
| NFPA | 0.655 | 52108 |
| remediation | 0.653 | 21521 |
| Filtration | 0.649 | 63090 |
| energy-efficiency | 0.648 | 70696 |
| Sanitation | 0.646 | 43413 |
| purifiers | 0.644 | 49159 |
| Environmental | 0.641 | 4967 |
| OSHA's | 0.637 | 87255 |