About: http://webisa.webdatacommons.org/368087227

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	The forearm extension is a U-shaped channel with a first coupling disposed at one end for rotatably coupling to a tilter, a platform or other means for supporting a flat-screen device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com