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The Problem: A few dust nibs, broken brush bristles and i bubbles are almost inevitable on big horizontal surfaces finished with slow-drying polyurethane.

2The Solution: Flatten the surface imperfections with 600-grit sandpaper on a sanding block (or 400-grit fcllowed by 600 if the surface is really a mess). Sand just enough to flatten bubbles, dust nibs and ridges, but don't try to sand away all the shiny spots.

3 Extra care should be taken when sanding near the edges of a tabletop to avoid sanding through. Sand the 2 to 3 in. nearest the edge first. Short strokes make it easier to control the block. After the edges are done, sand the centers with long strokes that slightly overlap the sanded border.

fine SYNTHETIC ABRASIVE WOOL

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Wood Working for Amateur Craftsman

Wood Working for Amateur Craftsman

THIS book is one of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company. Like Popular Mechanics Magazine, and like the other books in this series, it is written so you can understand it. The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mechanical subjects. The textand illustrations, in each instance, have been prepared expressly for this series by well known experts, and revised by the editor of Popular Mechanics.

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