1. Sand the surface to roughen it before repainting.

2. Roughen the surface before applying the paint.

3. You'd better roughen the surface before applying the paint.

4. By sanding the split leather surface to roughen it up. Sentencedict.com

5. Then, it removes dead surface skin that can dry, roughen and dull your complexion.

6. You will then need to roughen the surfaces to prepare them to hold the materials.

7. Blasting uses a high-pressure system and abrasive to smooth, roughen, or remove particles from a surface

8. As a conventional surface process, grit blasting can be used to clean and roughen metal surface.

9. If gas permeates the polymer, it can roughen the inner surface of the part when the gas migrates out again.

10. To cause (the skin) to roughen, redden, or crack, especially as a result of cold or exposure: The headwind Chapped the cyclist's lips.

11. To cause (the skin) to roughen, redden, or crack, especially as a result of cold or exposure: The headwind Chapped the cyclist's lips

12. The results show that the two-step method can effectively remove Co on the cemented carbide substrates and obviously roughen the surface of the cemented carbide substrate.

13. Aquaplane definition: a board that is pulled by a speedboat as a person stands on it and skims over the top of the water synonyms: board antonyms: uneven, roughen Synonym.com is the web's best resource for English synonyms, antonyms, and definitions.