PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Any inert gas should do, the larger the atom, the larger the leak needs to be before it leaks out. . . . (The filler gas is there to minimize air wanting to get in.)Argon is used as a shielding gas for some types of welding . . .
http://www.w3.org/ns/prov#wasQuotedFrom
  • busconversions.com