<http://webisa.webdatacommons.org/392739895>	<http://www.w3.org/ns/prov#value>	"All concrete block must meet certain specifications covering size, type, weight, moisture content, compressive strength, and other characteristics." .
<http://webisa.webdatacommons.org/392739895>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/63477545>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392739895> .
<http://webisa.webdatacommons.org/392739895>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<free-ed.net> .
<http://webisa.webdatacommons.org/prov/471298710>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392739895> .
<http://webisa.webdatacommons.org/prov/124541605>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392739895> .