About: http://webisa.webdatacommons.org/453111726

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The above-described masking may be accomplished by filling the lumen of the drive shaft with a shaft or filament made from tetrafluoroethylene or other suitable materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com