<http://schema.org/description>
"&lt;p&gt;Multiple-process machine tools generally combine two or more processes for metal removal. A lathe may have milling capability, or a machining center may perform grinding. But what about combining metal removal and metal joining in one machine? A process called 'friction stir welding' permits exactly that.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/welding-on-a-machining-center>