<http://webisa.webdatacommons.org/219530102>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/219530102>	<http://www.w3.org/ns/prov#value>	"36db is probably the lower limit of the SPL meter, yet they certainly seem to get the relative diffrences between fans correct on anything abouve the 39-40 db (at 10 cm), but anything below is a mystery." .
<http://webisa.webdatacommons.org/prov/346834007>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219530102> .
<http://webisa.webdatacommons.org/219530102>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<silentpcreview.com> .