Step 3: Actually sanding is divided into several stages, in step 2 you used 220-grit sandpaper, then this step you use 100-, 150-grit paper then, eventually using 220-grit sandpaper once half. Next is blistered or peeling paint removal and smoothing the path between còn paint and patches of bare wood any.
Step 4: Eliminate roughness using a soft cloth or hand-held vacuum cleaner.
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