| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is lead in pencils poisonous | 0.46 | 0.6 | 3754 | 68 |
| is the lead in mechanical pencils toxic | 1.04 | 0.8 | 8729 | 71 |
| is mechanical pencil lead poisonous | 0.6 | 0.3 | 2596 | 5 |
| is led pencil lead poisonous | 0.43 | 0.4 | 9855 | 80 |
| is colored pencil lead toxic | 0.88 | 0.5 | 3439 | 6 |
| lead poisoning from pencils | 1.96 | 0.2 | 3824 | 25 |
| is pencil lead toxic | 1.87 | 0.3 | 1821 | 60 |
| lead in pencils harmful | 0.72 | 0.7 | 379 | 96 |
| does mechanical pencils contain lead | 0.71 | 0.3 | 5947 | 49 |
| is pencil lead poisonous | 1.15 | 1 | 291 | 64 |
| is pencil lead dangerous | 1.19 | 0.8 | 4260 | 34 |
| are lead pencils dangerous | 1.69 | 0.9 | 5349 | 81 |
| can pencils cause lead poisoning | 1.13 | 0.2 | 3384 | 99 |
| is pencil lead poisonous for humans | 1.63 | 0.7 | 5696 | 88 |
| can pencils give you lead poisoning | 0.34 | 0.6 | 7811 | 50 |
| can pencil lead poison you | 0.36 | 0.1 | 1773 | 39 |
