About: http://webisa.webdatacommons.org/437708191

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 in which a metal plate is marked by exposing it to the corrosive action of an acid.
http://www.w3.org/ns/prov#wasQuotedFrom	hc-sc.gc.ca