About: http://webisa.webdatacommons.org/406951581

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	When used as metals, they must be cladded with another metal, such as zirconium or aluminium, to protect them from moisture and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	du.edu