About: http://webisa.webdatacommons.org/338889506

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 only difference is that the smallest and opening piece is either one unit or two.
http://www.w3.org/ns/prov#wasQuotedFrom	shapeways.com