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 If you are building an 
                                aluminum aircraft, you are aware of the tedious 
                                work of constant deburring and cleaning up edges 
                                after cutting - whether with a bandsaw or 
                                shears. Saw marks must be smoothed out to avoid 
                                future cracks and otherwise provide a nice 
                                finish to your work, As a substitute 
                                to manual hand filing, a wonderful, fast and 
                                efficient method to polishing up those cuts is 
                                available to you from the labs at 3M in a 
                                product called Scotch-Brite. Watch this 
                                short video to learn more if you are not already 
                                familiar with its use in aircraft 
                                building.
 
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