<http://webisa.webdatacommons.org/280597835>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/81359871>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/280597835> .
<http://webisa.webdatacommons.org/280597835>	<http://www.w3.org/ns/prov#value>	"Nevertheless, there are a number of tools and methods available that are used to determine the presence and direction of the field surrounding a component." .
<http://webisa.webdatacommons.org/280597835>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nde-ed.org> .