<http://webisa.webdatacommons.org/443477826>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ventilationdirect.com> .
<http://webisa.webdatacommons.org/prov/195401511>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/443477826> .
<http://webisa.webdatacommons.org/443477826>	<http://www.w3.org/ns/prov#value>	"If the fan is installed in a corrosive or dirty atmosphere, periodically inspect and clean the wheel, inlet and other moving parts to ensure smooth and safe operation." .
<http://webisa.webdatacommons.org/prov/205541241>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/443477826> .
<http://webisa.webdatacommons.org/443477826>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .