About: http://webisa.webdatacommons.org/41745156

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	In this regard, the tube is typically constructed of a soft, deformable material, such as silicone, and as such, the tube has a tacky or highfriction surface which inhibits sliding movement with the cam.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com