About: http://webisa.webdatacommons.org/35637251

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	AutoCAD users and drafters often use hatching to represent the type of material that makes up an object, such as insulation, metal, or concrete.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com