<http://schema.org/description>
"Two new resins are touted as breakthroughs in stereolithography (SL) rapidprototyping and rapid-manufacturing materials in that they boast a much closer approximation of thermoplastic ruggedness and durability."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/products/more-rugged-resins-for-stereolithography>