<http://webisa.webdatacommons.org/211935898>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<billpringle.com> .
<http://webisa.webdatacommons.org/211935898>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/211935898>	<http://www.w3.org/ns/prov#value>	"They use alternating discs of silver, zinc, sulfur, and other materials to generate low currents of electricity." .
<http://webisa.webdatacommons.org/prov/104035581>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/211935898> .