<http://webisa.webdatacommons.org/325170223>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/prov/218911868>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/325170223> .
<http://webisa.webdatacommons.org/325170223>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/325170223>	<http://www.w3.org/ns/prov#value>	"Concrete Concrete is a composite of cement, sand, and aggregate; frequently, other additives are used to enhance qualities such as strength or water resistance." .
<http://webisa.webdatacommons.org/prov/346440958>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/325170223> .