| 1 | The emery is a hard metallic substance. | |
| 2 | Layers of carbon and silicon carbide contain the radioactive material. | |
| 3 | Use emery board to make your fingernails smooth and good looking. | |
| 4 | Shape the nail, using a file or emery board . | |
| 5 | Do not use emery board to scrap your natural nail surface at all. |
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