<http://schema.org/about>
"Find how to decipher what's stamped on your pallet to see if it's safe or not for your project."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/how-to-tell-if-your-pallet-is-safe-to-reuse-pallet-safety-info.html>