About: http://webisa.webdatacommons.org/431650786

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	However, the worktable 15 is not always necessary and may be omitted in some types of machine, and also the worktable 15 may either be fixed or movable, depending on the types of machine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com