About: http://webisa.webdatacommons.org/268144665

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	Etching is a process where the metal surface is roughened by reacting it with an acid solution that chemically attacks the metal surface.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com