<http://webisa.webdatacommons.org/prov/453968903>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221548120> .
<http://webisa.webdatacommons.org/prov/45980662>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221548120> .
<http://webisa.webdatacommons.org/221548120>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pagosasun.com> .
<http://webisa.webdatacommons.org/221548120>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/221548120>	<http://www.w3.org/ns/prov#value>	"Some of these chemicals, such as nickel-cadmium, lithium ion, nickel metal hydride, mercury and lead are extremely toxic and can cause damage to humans and the environment." .