<http://schema.org/description>
"&lt;p&gt;Controls have evolved considerably in just a few years. PC technology is one reason why, but what is the right way for PC hardware to interface with your existing machine tool?&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/choosing-a-retrofit-cnc>