About: http://webisa.webdatacommons.org/29502422

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	In some embodiments, the masking material 300 is a different material from the third column spacer 296 to facilitate selective removal of these materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com