<http://webisa.webdatacommons.org/281335453>	<http://www.w3.org/ns/prov#value>	"This softening necessitates the use of more rigid tubes that include shoulder inserts, stiffening ribs, or other stiffening features." .
<http://webisa.webdatacommons.org/281335453>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/233512219>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/281335453> .
<http://webisa.webdatacommons.org/281335453>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .