About: http://webisa.webdatacommons.org/407023339

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 preferred polyolefins are polyethylene or polypropylene, especially linear, so-called extended chain polyethylene or polypropylene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com