<http://webisa.webdatacommons.org/prov/46371071>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13555742> .
<http://webisa.webdatacommons.org/13555742>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/13555742>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/13555742>	<http://www.w3.org/ns/prov#value>	"The working portion 14 of the blade may, as an option, be provided with a coating of a suitable insulating material such as silicon dioxide." .