About: http://webisa.webdatacommons.org/248163574

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	Other materials such as ceramics or castable refractory compositions could be employed, if desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es