About: http://webisa.webdatacommons.org/137944183

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 grooves 26 and 28 are adapted to receive suitably sized sealing O rings 30 and 32, preferably formed of an elastomeric material, such as silicone, for example, Silicone 762l Natural.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com