| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| precast underground concrete structures | 1.8 | 0.7 | 7868 | 1 | 39 |
| precast | 1.26 | 0.6 | 4037 | 73 | 7 |
| underground | 1.5 | 0.6 | 8543 | 6 | 11 |
| concrete | 0.85 | 0.6 | 5562 | 32 | 8 |
| structures | 0.59 | 0.2 | 6106 | 56 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| precast underground concrete structures | 0.52 | 0.6 | 564 | 72 |
