<http://webisa.webdatacommons.org/prov/470749143>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320528183> .
<http://webisa.webdatacommons.org/320528183>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/320528183>	<http://www.w3.org/ns/prov#value>	"Various fastening means, such as fastening tabs or other means, may be used for securing the Cover plate 54 within the ventilation duct aperture 52." .
<http://webisa.webdatacommons.org/320528183>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .