About: http://webisa.webdatacommons.org/225370808

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	hexagonal shape, but other shapes are possible, such as a groove that can receive a flat head screwdriver.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com