About: http://webisa.webdatacommons.org/132903183

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	For these materials, because of having a large heat resistance, a small coefficient of thermal expansion, or the like, ceramics, glass ceramics, glasses, metals, or other materials have been used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com