About: http://webisa.webdatacommons.org/424966474

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	A rigid or semi-flexible plastic may be used, polyethylene or vinyl being examples of suitable materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es