About: http://webisa.webdatacommons.org/138418276

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 filtering layer can include ultra-fine particles of metals or inorganic compounds such as ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au