<http://schema.org/description>
"&lt;p&gt;Sometimes you may be able to go ahead and machine the first part of a run on a machining center without having to take trial cuts.  When tolerance bands are large, operators or setup people can afford to run the program with the confidence that the cuts will come out somewhere in their tolerance bands and the workpiece will not be scrapped. &lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/columns/trial-cutting-on-machining-centers>