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<http://webisa.webdatacommons.org/prov/413148014>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215613400> .
<http://webisa.webdatacommons.org/215613400>	<http://www.w3.org/ns/prov#value>	"Furthermore, extra cost is incurred by providing the connectors and other hardware required to support the electrical interfaces to potential expansion units." .
<http://webisa.webdatacommons.org/215613400>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .