About: http://webisa.webdatacommons.org/239237935

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	In order to maintain a separation between the various instruments in the tray, the instruments are supported or retained by posts, brackets or other retainers anchored to the tray.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com