About: http://webisa.webdatacommons.org/74990040

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 Olmec???s used it to create items such as rubber balls, galoshes and waterproof cloaks.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencemuseum.org.uk