| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how railroad tracks are made | 0.18 | 0.4 | 8002 | 1 |
| how railway tracks are made | 1.89 | 0.6 | 598 | 47 |
| what are railroad tracks made of | 0.79 | 0.5 | 7271 | 74 |
| designs made from antiques railroad tracks | 0.48 | 0.8 | 8014 | 39 |
| what were the first railroad tracks made of | 0.49 | 1 | 1738 | 94 |
| originally railroad tracks were made of | 1.12 | 0.4 | 8387 | 47 |
| what are railroad tracks made out of | 0.33 | 0.2 | 9281 | 4 |
| are railroad tracks made of iron | 0.29 | 0.5 | 1774 | 81 |
| what were railroad tracks made of | 1.28 | 0.6 | 691 | 64 |
| what are railway tracks made of | 0.73 | 0.4 | 575 | 61 |
| how are train tracks made | 1.23 | 1 | 5403 | 46 |
| how do they make railroad tracks | 0.61 | 0.2 | 1115 | 97 |
| how are railway tracks laid | 1.2 | 0.4 | 3484 | 51 |
| railway track made by which material | 0.87 | 0.9 | 4272 | 47 |
| what are rail tracks made of | 0.09 | 0.9 | 2194 | 44 |
| how are railroad tracks laid | 1.83 | 0.4 | 1130 | 90 |
| how to build railroad tracks | 1.63 | 0.8 | 4311 | 48 |
| how to make train tracks | 1.83 | 0.1 | 702 | 27 |
