About: http://webisa.webdatacommons.org/335973103

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	Preferably, the arcuate member is moulded from a suitable flexible, resilient plastic material, such as Polyethylene or Polyvinyl Chloride for example, and is therefore relatively inexpensive and easy to manufacture.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com