De-burring the holes as I go, so as to assure the assembly is lying flat on the precision block. If a bur were to kick the assembly up, or off, even ever so slightly, it will cause problems; they will be harder to tap, and throw off proper alignment, which will make it difficult to properly screw together.

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All Work Designed, Executed, and ©1998-2005 by John Lewis Jensen, unless otherwise credited. All Rights Reserved.