<http://schema.org/description>
"&lt;p&gt;Retrofitting older grinding machines with a CNC wheel dresser makes it possible to reduce the total tolerance band on broaching tools produced with the new dressers from 0.0004- to 0.0002-inch.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/doubling-accuracy-of-manual-grinding-machines-with-cnc-wheel-dressers>