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A. Removing plumy surface ( sanding effectiveness ) |
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a.. |
Make tidy outlook (rust, glue, vinegar). |
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b. |
Adjust the profile quality. |
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c.. |
Erase sharp edge and burr. |
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B. Smoothen surface ( polishing quality ) |
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a. |
Grind wood after cutting. |
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b. |
Polish coated lacquer material. |
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c. |
Decrease the surface friction. |
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