About: http://webisa.webdatacommons.org/61686528

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 collar may optionally include a flange 83, preferably constructed from an elastomeric material such as silicone, that compensates for variations in the diameter of the light pipes 20, 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com