About: http://webisa.webdatacommons.org/209007702

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 bristles for both brush heads are preferably made from a polymeric material such as nylon, polyester, or polypropylene, although the use of natural bristles is also contemplated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com