did you read above? you dont have to tell me about tolerances. chances are, when you were learning how to spell the word tolerances, i was milling and turning pieces to +/- .001".
once again, machining is not as difficult as you make it out to be. the processes can easily be learned, and from there its just practice, a lot of it.
you want to see difficult? ill post up a wps on welding and machining beryllium copper //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif