About: http://webisa.webdatacommons.org/300205205

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	In the case of ceramic, a suitable wet etchant for performing the etching processes comprises an acid such as HF.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es