<http://webisa.webdatacommons.org/prov/57578156>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138917547> .
<http://webisa.webdatacommons.org/prov/426332204>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138917547> .
<http://webisa.webdatacommons.org/138917547>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sina.com> .
<http://webisa.webdatacommons.org/138917547>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/138917547>	<http://www.w3.org/ns/prov#value>	"As a result, the waste water from textile operations often contains chemicals such as formaldehyde and chlorine, and heavy metals such as lead and mercury, which are significant causes of environmental degradation and harmful to humans." .