About: http://webisa.webdatacommons.org/192376503

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	However, it is desired on occasion to improve the wettability of the surfaces to be covered; and in doing so, chemicals, including etchants, are frequently used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com