| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| surface area of tubes | 1.83 | 0.4 | 6113 | 10 | 21 |
| surface | 1.31 | 0.1 | 4825 | 94 | 7 |
| area | 1.85 | 0.4 | 1196 | 34 | 4 |
| of | 1.75 | 0.5 | 1544 | 9 | 2 |
| tubes | 1.11 | 0.8 | 2837 | 97 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| surface area of tubes | 0.53 | 0.9 | 3650 | 62 |
