<http://schema.org/description>
"Few manufacturing companies rely on ballbar testing to maintain machine tool accuracy as thoroughly as Silfex. Now, advanced training and a move to a Renishaw QC20-W wireless system have enabled the company to take the benefits of ballbar testing to a higher level."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/raising-the-bar-with-ballbar-testing>