About: http://webisa.webdatacommons.org/121686054

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	Prior to processing in accordance with our invention, the metal surface to be coated is cleaned by conventional methods, such as rinsing with a solvent or washing with water and .a detergent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com