About: http://webisa.webdatacommons.org/344213233

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	Vertical through-holes are produced in these building layers as shown in FIG. 5 by some process step such as etching or ablating.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com