About: http://webisa.webdatacommons.org/396868385

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 particulate activated carbon may be prepared from a variety of raw materials such as wood chips, petroleum pitch, coal and palmshells.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com