About: http://webisa.webdatacommons.org/90653639

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	Ceramics are non-metallic-inorganic materials containing high proportions of silicon, silicon oxide, silicates, aluminum oxide, magnesium oxide, zirconium oxide and other metal oxides.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es