About: http://webisa.webdatacommons.org/274334739

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	Preferably, base metals and therefore in particular metals reactive with respect to water and oxygen are used, such as lithium, magnesium, aluminum and calcium, and also alloys of these metals with one another or with other metals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com