<http://schema.org/description>
"&lt;p&gt;There are many ways to create holes in metal. Some machine tools, including machining centers and turning centers, drill holes as one of several operations performed. This article discusses different kinds of automatic drilling units, each of which is dedicated to making many holes - fast.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/picking-the-right-automatic-drilling-units>