About: http://webisa.webdatacommons.org/159330320

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 top of the furnace 50 is preferably closed so that the metal alloy contained therein is melted under a vacuum or controlled atmosphere to inhibit oxidation or other degradation of the liquid alloy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es