In effect, the only time the file comes in contact with the work piece is on a forward stroke, see Figure 1. Filing back and forth is wrong for two reasons. First, a file is like a saw blade and only cuts in one direction. Both file and saw teeth have an angle relative to the work surface known as a rake.
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In effect, the only time the file comes in contact with the work piece is on a forward stroke, see Figure 1. Filing back and forth is wrong for two reasons. First, a file is like a saw blade and only cuts in one direction. Both file and saw teeth have an angle relative to the work surface known as a rake.
yan na beh f.o.l.l.o.w mo din anak kong si IndayAcedilla