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<http://webisa.webdatacommons.org/prov/485820640>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/142890729> .
<http://webisa.webdatacommons.org/142890729>	<http://www.w3.org/ns/prov#value>	"Electronic devices, such as laptop computers, typically use DC power supplied from a transformer connected to a conventional AC power supply." .
<http://webisa.webdatacommons.org/142890729>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .