About: http://webisa.webdatacommons.org/172070324

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 layers may be patterned by using well established techniques such as masking and etching.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com