About: http://webisa.webdatacommons.org/328634106

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	For the above mentioned purposes the top bus 112 and the bottom bus 108 are made of highly conductive materials, for example aluminum or copper, and they have a sufficient thickness and mechanical strength to support the bus system 104.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com