About: http://webisa.webdatacommons.org/130052423

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	D is an angle-hook, having its short arm terminating in a latch, a, and its other arm, 12, longer and slightly curved, as clearly seen at Figs. 1 and 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com