About: http://webisa.webdatacommons.org/147865892

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 base 11 is preferably formed of dielectric material such as plastic, ceramic, or the like, and the cover 12 is a metal cup extending down over the edges of the base 11 and secured thereto by screw 13.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com