<http://webisa.webdatacommons.org/314550586>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/62320278>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/314550586> .
<http://webisa.webdatacommons.org/314550586>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/314550586>	<http://www.w3.org/ns/prov#value>	"In this connection the floating head piston 78 is preferably fabricated of a relatively light-weight material, such as aluminum, and is maintained in its requisite position within the bore as a result of a friction-fit provided by the O-ring seal 84, which again is preferably fabricated of a fluoro-elastomer material, such as Viton." .