<http://schema.org/description>
"&lt;p&gt;As a quality systems supplier, this manufacturer imposes strict internal quality demands on its components. Many machined parts feature bearing surfaces that will come into moving contact with mating parts made of metal, plastics or powder metal.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/system-measures-surface-finish-and-profiles>