<http://webisa.webdatacommons.org/276021012>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<semi-gas.com> .
<http://webisa.webdatacommons.org/276021012>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/276021012>	<http://www.w3.org/ns/prov#value>	"The unit???s intuitive display schematics enable easy control over all the system???s operations including gas delivery, system alarms, automatic cylinder switchover and auto-purge capabilities." .
<http://webisa.webdatacommons.org/prov/419938186>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276021012> .