About: http://webisa.webdatacommons.org/204714794

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 crucible can be made of a conventional material, such as graphite.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com