About: http://webisa.webdatacommons.org/260158044

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	With an engraving tool, for example a rotating chisel or a laser beam, the outside contour of said surface area is first engraved in order to cleanly outline the surface area.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com