<http://webisa.webdatacommons.org/249074582>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/249074582>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/249074582>	<http://www.w3.org/ns/prov#value>	"Top sheet 20 and bottom sheet 22 normally contact the surface of valve strip 28 when no air or other substance (e.g., water) is in either passageway." .
<http://webisa.webdatacommons.org/prov/466426591>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/249074582> .