<http://webisa.webdatacommons.org/273315015>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/273315015>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/12458111>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/273315015> .
<http://webisa.webdatacommons.org/prov/363606097>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/273315015> .
<http://webisa.webdatacommons.org/273315015>	<http://www.w3.org/ns/prov#value>	"The substances employable as the materials 9 having a higher acoustic impedance are metals such as aluminum or magnesium, or ceramics, glass, and so on." .