About: http://webisa.webdatacommons.org/188488736

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Rotating machinery, transformers and other systems frequently produce undesirable vibration and resulting noise.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com