<http://schema.org/description>
"&lt;p&gt;Programming rough machining operations for efficient removal of large volumes of material is crucial when preparing a mold, pattern or other workpiece for finish machining. However, the strategies for traditional roughing operations, which are mainly based on rest roughing, require that each tool be programmed separately.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/step-reduction-milling-reduces-roughing-cycle-time>