About: http://webisa.webdatacommons.org/370061618

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	It will be appreciated that column electrodes 18 need not be formed of optically transparent material and may advantageously be formed of aluminum or other conductive material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca