About: http://webisa.webdatacommons.org/253990654

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	Fortunately, there was an elegant solution to this, that in some ways makes the bookcase stronger (the load bearing side is now directly above the pivot hardware).
http://www.w3.org/ns/prov#wasQuotedFrom	instructables.com