About: http://webisa.webdatacommons.org/409070128

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 CSG technique to create and modify geometry uses primitives such as cylinders, blocks and cones with Boolean operations such as union, intersection and combines.
http://www.w3.org/ns/prov#wasQuotedFrom	metalformingmagazine.com