About: http://webisa.webdatacommons.org/405130477

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	Apart from different ones, for example casement windows, double hung and sash, but there are also lots of materials from hard or soft wood to PVC, aluminium and much more.
http://www.w3.org/ns/prov#wasQuotedFrom	umn.edu