<http://schema.org/description>
"&lt;p&gt;Touch probing technology that requires no stylus deflection allows multisensor measurement systems to probe very small part features.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/touch-probing-with-a-feather39s-touch>