| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| coal mining safety regulation | 1.59 | 1 | 9672 | 76 | 29 |
| coal | 0.26 | 1 | 5080 | 93 | 4 |
| mining | 0.89 | 0.8 | 5316 | 38 | 6 |
| safety | 1.68 | 0.5 | 5638 | 77 | 6 |
| regulation | 1.54 | 0.3 | 6239 | 52 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| coal mining safety regulation | 0.55 | 0.9 | 8652 | 12 |
