<http://webisa.webdatacommons.org/prov/358765998>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/301303772> .
<http://webisa.webdatacommons.org/301303772>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/301303772>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/301303772>	<http://www.w3.org/ns/prov#value>	"Preferably, the first component 17 is made of a dense, heavy metal such as pure lead or tungsten, or of an alloy thereof." .