About: http://webisa.webdatacommons.org/191143388

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	Also, the glass substrate is etched with an etching solution such as a mixed solution of hydrochloric acid and hydrofluoric acid or by a sand blasting method.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com