| 11. | To revive a shellac finish roughen the surface lightly with No . 000 steel wool.
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| 12. | Sand the finish thoroughly with medium sandpaper, to roughen the enamel and reduce gloss.
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| 13. | The old finish should also be sanded, enough to roughen it and reduce gloss.
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| 14. | So, sand the old finish to roughen it and reduce gloss, if any.
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| 15. | Sandblasting won't work because it would roughen the finish, reflecting less light.
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| 16. | Sand the doors and drawer fronts by hand to reduce gloss and roughen the finish.
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| 17. | To make the new stain stick, sand the old finish heavily to roughen it.
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| 18. | It will not hurt to roughen the finish and add one more coat of varnish.
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| 19. | Then you can run some filters on it to roughen it up a little bit.
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| 20. | The process scrapes and roughens enamel, leaving crevices where bacteria can hide and cause infections.
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