| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mechanical energy storage pdf | 1.56 | 0.2 | 8080 | 91 | 29 |
| mechanical | 0.43 | 0.8 | 918 | 52 | 10 |
| energy | 0.31 | 0.5 | 1385 | 17 | 6 |
| storage | 0.57 | 0.8 | 4621 | 95 | 7 |
| 1.25 | 0.7 | 4720 | 91 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mechanical energy storage pdf | 0.22 | 0.2 | 2884 | 47 |
