| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of marine engineering | 0.67 | 0.5 | 2499 | 6 | 29 |
| history | 0.88 | 0.3 | 8079 | 20 | 7 |
| of | 0.98 | 1 | 9573 | 61 | 2 |
| marine | 0.09 | 0.4 | 6525 | 95 | 6 |
| engineering | 0.71 | 0.1 | 7835 | 18 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of marine engineering | 1.45 | 0.7 | 3474 | 95 |
