About: http://webisa.webdatacommons.org/142789613

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	Other gases may be utilized as an alternative to the nitrogen or hydrogen shown in the preferred embodiment, such as oxygen, which, in fact, helps in the removal of organics such as carbon found in the precursor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk