<http://webisa.webdatacommons.org/281907966>	<http://www.w3.org/ns/prov#value>	"Foams are made from organic or mineral, natural or synthetic materials, and in particular polymers such as polyamide, polyurethane (polyester or polyether) or polypropylene." .
<http://webisa.webdatacommons.org/281907966>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/63969183>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/281907966> .
<http://webisa.webdatacommons.org/281907966>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .