<http://schema.org/description>
"In your April column, you strongly recommended against cylinder media. Yet, in the same and other publications, many other articles on media selection refer to the popularity of cylinders, and they often recommend them for hole deburring and general finishing. Can you provide specific reasons for your objection to this popular media?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/articles/cylinders-take-a-tumble>