About: http://webisa.webdatacommons.org/92308085

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	FIG. 4e is an example of a full flight screw 17 having a blade-shaped processed portion 18 on the flight surface, while FIG. 4f is an example of a cylinder 19 having a blade-shaped processed portion 20 at the cylinder inner wall.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com