PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A vacuum source could be connected to the copper gas ports 35 to facilitate the removal of any gas generated during the process away from the substrate and prevent such gas from entering the atmosphere. [0062] Gas ports 35 could also be used as a means of directing reducing or inert gas, such as nitrogen, to the solder reflow area.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com