| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ventilation requirement for confined space | 0.35 | 0.2 | 4141 | 24 | 42 |
| ventilation | 1.95 | 0.7 | 97 | 64 | 11 |
| requirement | 0.32 | 0.1 | 7566 | 62 | 11 |
| for | 0.3 | 0.7 | 7667 | 52 | 3 |
| confined | 1.51 | 1 | 3528 | 100 | 8 |
| space | 0.21 | 0.8 | 4448 | 85 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ventilation requirement for confined space | 0.93 | 0.7 | 9317 | 86 |
