<http://webisa.webdatacommons.org/prov/454891409>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/365661822> .
<http://webisa.webdatacommons.org/prov/411254703>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/365661822> .
<http://webisa.webdatacommons.org/365661822>	<http://www.w3.org/ns/prov#value>	"Similarly, ground concrete, rocks, sand, and other materials can be used as aggregate for the new concrete needed for construction." .
<http://webisa.webdatacommons.org/365661822>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/365661822>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hindawi.com> .