About: http://webisa.webdatacommons.org/117109709

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 cathode may also be metallic and useful metals include nickel and steel including stainless steel, as well as valve metals such as titanium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es