| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| coefficient of friction steel on sand | 0.2 | 0.8 | 7285 | 5 | 37 |
| coefficient | 0.05 | 0.1 | 2734 | 80 | 11 |
| of | 0.33 | 0.4 | 2441 | 81 | 2 |
| friction | 0.01 | 0.5 | 5896 | 44 | 8 |
| steel | 1.01 | 0.3 | 2088 | 88 | 5 |
| on | 0.22 | 0.7 | 1120 | 27 | 2 |
| sand | 1.27 | 0.8 | 3155 | 91 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| coefficient of friction steel on sand | 0.17 | 0.1 | 7864 | 12 |
| coefficient of friction of sand | 1.1 | 0.8 | 1189 | 75 |
| coefficient of friction steel on steel | 0.64 | 0.7 | 1483 | 58 |
| concrete sand friction coefficient | 1.61 | 0.4 | 1205 | 80 |
| coefficient of friction concrete on steel | 1.91 | 0.6 | 6657 | 11 |
| steel coefficient of friction | 1.15 | 0.7 | 7399 | 55 |
| friction coefficient rock on steel | 1.32 | 0.8 | 6119 | 81 |
| coefficient of friction steel and concrete | 1.7 | 0.3 | 817 | 57 |
| coefficient of friction of sandpaper | 1.54 | 0.3 | 373 | 87 |
| coefficient of friction sandpaper on wood | 1.08 | 0.7 | 7749 | 80 |
| coefficient of friction sand and concrete | 1.45 | 0.2 | 8428 | 95 |
| coefficient of static friction of sand | 0.27 | 0.1 | 240 | 21 |
