<http://webisa.webdatacommons.org/149402628>	<http://www.w3.org/ns/prov#value>	"In the next step oxygen or air is removed and replaced by an inert gas such as nitrogen or argon, thereby allowing polymerisation to occur." .
<http://webisa.webdatacommons.org/prov/350032491>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149402628> .
<http://webisa.webdatacommons.org/149402628>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/149402628>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/324463257>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149402628> .