About: http://webisa.webdatacommons.org/121896848

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	Crumb rubber can also contain small amounts of heavy metals such as zinc and iron.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com