About: http://webisa.webdatacommons.org/415223081

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	Common chamber cleaning techniques include the use of an etchant gas such as fluorine or oxygen to remove the deposited material from the chamber walls and other areas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com