<http://schema.org/description>
"&lt;p&gt;Variations in workpiece material and/or cutting tools will often require operators to change cutting conditions (mostly spindle speed and feed rate) during a production run.  Most manufacturing companies do allow their CNC people to make these changes as they are required to do so. &lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/columns/using-variables-to-handle-cutting-condition-changes>