<http://webisa.webdatacommons.org/prov/454891416>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/218118346> .
<http://webisa.webdatacommons.org/218118346>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/218118346>	<http://www.w3.org/ns/prov#value>	"be emptied, cleaned and then filled with an inert material, such as sand," .
<http://webisa.webdatacommons.org/218118346>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<chrisdhilton.com> .