About: http://webisa.webdatacommons.org/22663695

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 sacrificial material can be removed by any suitable means, such as using a wet chemical etching such as sulfuric acid, nitric acid or an electrochemical etch.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com