About: http://webisa.webdatacommons.org/431426227

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	Porous materials are particularly preferred such as the materials sold as Black Diamond??? or Aurora???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com