<http://webisa.webdatacommons.org/prov/298706124>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/119781979> .
<http://webisa.webdatacommons.org/119781979>	<http://www.w3.org/ns/prov#value>	"Some other materials have also been reported such as glass, metal, alloy, etc. [4]." .
<http://webisa.webdatacommons.org/119781979>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mdpi.com> .
<http://webisa.webdatacommons.org/119781979>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .