About: http://webisa.webdatacommons.org/251645747

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 24 is mounted on insulating supports (not shown) which may be made from a metal oxide such as alumina or silica (quartz) or another insulator or dielectric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com