| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| illumination engineering book pdf | 0.46 | 0.6 | 1374 | 22 | 33 |
| illumination | 1.31 | 0.2 | 3896 | 25 | 12 |
| engineering | 1.52 | 0.8 | 8202 | 81 | 11 |
| book | 0.59 | 0.4 | 58 | 45 | 4 |
| 0.26 | 0.4 | 5870 | 68 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| illumination engineering book pdf | 0.61 | 0.3 | 4040 | 77 |
