About: http://webisa.webdatacommons.org/334741761

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	At the basis of the invention is the task of creating a threaded fastener which can be screwed into a material that is at least slightly elastically compressible, such as bone material or wood.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com