<http://schema.org/description>
"&lt;p&gt;This article examines a retrofitted mechanical drawbar system with a preset die spring that enables an operator to manually do what a machining center does automatically--change tools quickly.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/quicker-tool-change-for-mills>