About: http://webisa.webdatacommons.org/395737527

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 wedge device or the like may be various shapes and sizes, such as a triangular cross-section or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com