About: http://webisa.webdatacommons.org/255043401

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	Furthermore, the total number of printed-circuit boards 40, such as 4, 6, 7 or 10 layers, may be chosen as appropriate in consideration of the impedance of the wirings and the cost of the printed-circuit boards.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com