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<http://webisa.webdatacommons.org/453219819>	<http://www.w3.org/ns/prov#value>	"This conveyor system is fully enclosed to help prevent dust from entering the air and circulating through a building or other space, potentially leading to worker illness." .
<http://webisa.webdatacommons.org/prov/468939267>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/453219819> .
<http://webisa.webdatacommons.org/453219819>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/prov/358406337>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/453219819> .