About: http://webisa.webdatacommons.org/324697802

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	For example, removal of thicknesses of thickness 610, 620, and 630 may include etching with hydrochloric acid, chlorine, or other appropriate etchants or gases.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com