About: http://webisa.webdatacommons.org/192731160

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	The clearance 409 may optionally be filled with an insulating material, for example an organic material, such as e.g., epoxy resins, polyimides or silicone gel, or remain unfilled.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr