PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • of surfaces, detail drawing with the addition of machine and surface texture symbols, simple assembly drawing with suitable fits and a part list and introduction to limits and tolerances, screw threads, fasteners and spring including keys and key ways.
http://www.w3.org/ns/prov#wasQuotedFrom
  • futo.edu.ng