<http://schema.org/description>
"&lt;p&gt;This white paper from American Hofmann Corporation examines the relationship between unbalance and toolholders used in high speed machining centers. The paper looks at sources of unbalance, effects of unbalance, correcting the unbalance and determining balance tolerance.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/detecting-and-correcting-unbalance-in-toolholders-for-high-speed-machining>