About: http://webisa.webdatacommons.org/327528170

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 protrusions may be comprised of any suitable material, preferably flexible material such as silicones, polymers, or fibers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk