| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| hierarchy of hazard control | 1.83 | 0.8 | 6037 | 56 | 27 |
| hierarchy | 1.42 | 0.5 | 5347 | 100 | 9 |
| of | 0.94 | 0.7 | 4065 | 65 | 2 |
| hazard | 0.63 | 0.2 | 3479 | 84 | 6 |
| control | 1.02 | 0.5 | 4167 | 9 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| hierarchy of hazard control | 0.35 | 0.2 | 8860 | 83 |
