About: http://webisa.webdatacommons.org/3161488

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	using a plurality of openings such as holes, slots, diamonds, squares, rectangles or other shapes as said at least one opening.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au