| 1. | The roughening can be done with an acid solution or by scrubbing.
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| 2. | Roughening the surface of one slat might keep them separate.
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| 3. | Expedition leaders hoped to raise the turret on Sunday despite roughening weather.
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| 4. | Roughening of the serosal surface of the intestine can occur secondary to peritonitis.
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| 5. | BL control ( roughening ) was applied to golf balls in the 19th century.
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| 6. | The projections of the roughening lie entirely within the laminar layer for this range.
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| 7. | They were probably used as hammerstones or for roughening the surface of a grinding stone.
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| 8. | Usually this requires cleaning, descaling, roughening, and / or blasting of the faying surfaces.
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| 9. | Walker has experienced a roughening of the cartilage behind his right kneecap and the condition has not improved.
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| 10. | If the handle is slippery and difficult to hold, try roughening it with coarse-grit sandpaper.
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