About: http://webisa.webdatacommons.org/337078914

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 writing, the crystal is covered by a transparent, electrically conductive material, as for example an anti-static fluid or thin film of carbon or metal, on all surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es