About: http://webisa.webdatacommons.org/70789906

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	By way of example, when mercury is used as the switching fluid, the reducing material may be a solid layer of carbon, chromium, magnesium, aluminum, titanium, manganese, nickel, silicon or other suitable material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com