About: http://webisa.webdatacommons.org/289341135

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	opt a method of carrying out graining treatment electrochemically in an electrolyte, such as hydrochloric acid or nitric acid, or a mechanical graining method.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com