<http://schema.org/description>
"&lt;p&gt;It's widely known that hole making is, by a significant margin, the most frequently performed process among metalworking operations. It's also among the most difficult operations to control from a thermal perspective.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/drilling-dry-with-a-heat-pipe>