<http://webisa.webdatacommons.org/177887792>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/177887792>	<http://www.w3.org/ns/prov#value>	"Accordingly, alternative embodiments may effectively employ gases such as ozone, carbon monoxide, chlorine gas, inert gas, or other useful gases." .
<http://webisa.webdatacommons.org/177887792>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/prov/404695637>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/177887792> .