<http://webisa.webdatacommons.org/127976631>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<diracdelta.co.uk> .
<http://webisa.webdatacommons.org/prov/320349788>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/127976631> .
<http://webisa.webdatacommons.org/127976631>	<http://www.w3.org/ns/prov#value>	"Structural vibration can be caused by the components and mechanism within the fan, such as residual unbalance, bearings, rotor to stator eccentricity and motor mounting." .
<http://webisa.webdatacommons.org/127976631>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .