About: http://webisa.webdatacommons.org/133513274

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	Although not shown, a joint can be made that is essentially rigid, i.e. any movement, including axial rotation, is prevented by providing a notch-in-groove connection integral with the connection as shown, or other known arrangement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com