About: http://webisa.webdatacommons.org/150899604

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 screw - a generic name applied to a setscrew, leadscrew, bolt, stud or other component equipped with an external thread,
http://www.w3.org/ns/prov#wasQuotedFrom	cam.ac.uk