About: http://webisa.webdatacommons.org/101265871

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 focus ring 115 is made of an insulating material, such as a ceramic or a quartz, or a conductive material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com