<http://webisa.webdatacommons.org/357168862>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/357168862>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/139975130>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/357168862> .
<http://webisa.webdatacommons.org/357168862>	<http://www.w3.org/ns/prov#value>	"problems such as cause of undercut and humping defects and degradation of" .
<http://webisa.webdatacommons.org/prov/223426152>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/357168862> .