<http://webisa.webdatacommons.org/355390334>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/355390334>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/151320872>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/355390334> .
<http://webisa.webdatacommons.org/355390334>	<http://www.w3.org/ns/prov#value>	"In film discs, abrasive grains are bonded onto a plastic film backing such as polyester." .