About: http://webisa.webdatacommons.org/429843232

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	A known hinge structure that has been used at the juncture of the ceiling and door is a structure in which four discrete hinges are attached to two release bars in order to allow their quick release.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com