About: http://webisa.webdatacommons.org/63334387

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	Residual acid remains in the backing after the drying and curing operation even when a volatile acid, such as hydrochloric acid, is used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com