About: http://webisa.webdatacommons.org/14599991

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 top layer (layer 1) may be made of a metal sheet or foil substrate form 522 with holes therein separated by partitions formed in a number of ways including chemical etching with a photomask, stamping and electroforming.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com