About: http://webisa.webdatacommons.org/147689927

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 obturator of the invention is preferably made of a thermoplastic resin such as polyolefins, ABS (acrylonitrile-1,4-butadiene-styrene random or block copolymers), polybutene, polystyrene, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com