<http://schema.org/description>
"&lt;p&gt;For the team developing a more effective spindle, one of the design challenges was an unexpected source of heat.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/beating-the-heat-temperature-control-of-a-high-performance-spindle>