About: http://webisa.webdatacommons.org/8334493

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 carbon-rich material may include any of carbonized material, carbon aerogel and metal oxides, such as manganese and ruthenium oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org