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<http://webisa.webdatacommons.org/270616219>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<prc68.com> .
<http://webisa.webdatacommons.org/prov/5674540>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270616219> .
<http://webisa.webdatacommons.org/270616219>	<http://www.w3.org/ns/prov#value>	"Works best when two batteries are used, one in the cell" .