About: http://webisa.webdatacommons.org/401489801

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	These files describe the size and the shape of the pads and traces on the board, the location of the pads and traces, and other parameters necessary for the fabrication of the printed circuit board.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com